﻿<?xml version="1.0" encoding="utf-8" standalone="yes"?>
<!--Created by Prophix, Powered by IRIS Carbon, Unique Code 662bc38e54148f361c77051e, Generated At Fri, 26 Apr 2024 15:10:15 GMT-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xbrli="http://www.xbrl.org/2003/instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">
    <link:loc xlink:type="locator" xlink:href="549300ZTYB9HDCOHS439-2023-12-31.xsd#fou_CustomerBasedBusinessAssets" xlink:label="CustomerBasedBusinessAssets" xlink:title="CustomerBasedBusinessAssets" />
    <link:label xlink:type="resource" xlink:label="label_CustomerBasedBusinessAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_CustomerBasedBusinessAssets" xml:lang="en" id="label_CustomerBasedBusinessAssets">Customer Based Business Assets</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CustomerBasedBusinessAssets" xlink:to="label_CustomerBasedBusinessAssets" xlink:title="Label : CustomerBasedBusinessAssets to label_CustomerBasedBusinessAssets" />
    <link:loc xlink:type="locator" xlink:href="549300ZTYB9HDCOHS439-2023-12-31.xsd#fou_AllocationsReversalsOfProvisions" xlink:label="AllocationsReversalsOfProvisions" xlink:title="AllocationsReversalsOfProvisions" />
    <link:label xlink:type="resource" xlink:label="label_AllocationsReversalsOfProvisions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_AllocationsReversalsOfProvisions" xml:lang="en" id="label_AllocationsReversalsOfProvisions">Allocations Reversals of Provisions</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AllocationsReversalsOfProvisions" xlink:to="label_AllocationsReversalsOfProvisions" xlink:title="Label : AllocationsReversalsOfProvisions to label_AllocationsReversalsOfProvisions" />
    <link:loc xlink:type="locator" xlink:href="549300ZTYB9HDCOHS439-2023-12-31.xsd#fou_AdjustmentsForDecreaseIncreaseInAccrualsAccounts" xlink:label="AdjustmentsForDecreaseIncreaseInAccrualsAccounts" xlink:title="AdjustmentsForDecreaseIncreaseInAccrualsAccounts" />
    <link:label xlink:type="resource" xlink:label="label_AdjustmentsForDecreaseIncreaseInAccrualsAccounts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_AdjustmentsForDecreaseIncreaseInAccrualsAccounts" xml:lang="en" id="label_AdjustmentsForDecreaseIncreaseInAccrualsAccounts">Adjustments for Decrease (Increase) in Accruals Accounts</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AdjustmentsForDecreaseIncreaseInAccrualsAccounts" xlink:to="label_AdjustmentsForDecreaseIncreaseInAccrualsAccounts" xlink:title="Label : AdjustmentsForDecreaseIncreaseInAccrualsAccounts to label_AdjustmentsForDecreaseIncreaseInAccrualsAccounts" />
    <link:loc xlink:type="locator" xlink:href="549300ZTYB9HDCOHS439-2023-12-31.xsd#fou_AdjustmentsForIncreaseDecreaseInTaxAndSocialSecurityDebts" xlink:label="AdjustmentsForIncreaseDecreaseInTaxAndSocialSecurityDebts" xlink:title="AdjustmentsForIncreaseDecreaseInTaxAndSocialSecurityDebts" />
    <link:label xlink:type="resource" xlink:label="label_AdjustmentsForIncreaseDecreaseInTaxAndSocialSecurityDebts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_AdjustmentsForIncreaseDecreaseInTaxAndSocialSecurityDebts" xml:lang="en" id="label_AdjustmentsForIncreaseDecreaseInTaxAndSocialSecurityDebts">Adjustments for Increase (Decrease) in Tax and Social Security Debts</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AdjustmentsForIncreaseDecreaseInTaxAndSocialSecurityDebts" xlink:to="label_AdjustmentsForIncreaseDecreaseInTaxAndSocialSecurityDebts" xlink:title="Label : AdjustmentsForIncreaseDecreaseInTaxAndSocialSecurityDebts to label_AdjustmentsForIncreaseDecreaseInTaxAndSocialSecurityDebts" />
    <link:loc xlink:type="locator" xlink:href="549300ZTYB9HDCOHS439-2023-12-31.xsd#fou_AdjustmentsForIncreaseDecreaseInAccrualsAccountsLiabilities" xlink:label="AdjustmentsForIncreaseDecreaseInAccrualsAccountsLiabilities" xlink:title="AdjustmentsForIncreaseDecreaseInAccrualsAccountsLiabilities" />
    <link:label xlink:type="resource" xlink:label="label_AdjustmentsForIncreaseDecreaseInAccrualsAccountsLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_AdjustmentsForIncreaseDecreaseInAccrualsAccountsLiabilities" xml:lang="en" id="label_AdjustmentsForIncreaseDecreaseInAccrualsAccountsLiabilities">Adjustments for Increase (Decrease) in Accruals Accounts Liabilities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AdjustmentsForIncreaseDecreaseInAccrualsAccountsLiabilities" xlink:to="label_AdjustmentsForIncreaseDecreaseInAccrualsAccountsLiabilities" xlink:title="Label : AdjustmentsForIncreaseDecreaseInAccrualsAccountsLiabilities to label_AdjustmentsForIncreaseDecreaseInAccrualsAccountsLiabilities" />
    <link:loc xlink:type="locator" xlink:href="549300ZTYB9HDCOHS439-2023-12-31.xsd#fou_EarningsBeforeInterestTaxesDepreciationAndAmortization" xlink:label="EarningsBeforeInterestTaxesDepreciationAndAmortization" xlink:title="EarningsBeforeInterestTaxesDepreciationAndAmortization" />
    <link:label xlink:type="resource" xlink:label="label_EarningsBeforeInterestTaxesDepreciationAndAmortization" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_EarningsBeforeInterestTaxesDepreciationAndAmortization" xml:lang="en" id="label_EarningsBeforeInterestTaxesDepreciationAndAmortization">Earnings before Interest Taxes Depreciation and Amortization</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EarningsBeforeInterestTaxesDepreciationAndAmortization" xlink:to="label_EarningsBeforeInterestTaxesDepreciationAndAmortization" xlink:title="Label : EarningsBeforeInterestTaxesDepreciationAndAmortization to label_EarningsBeforeInterestTaxesDepreciationAndAmortization" />
    <link:loc xlink:type="locator" xlink:href="549300ZTYB9HDCOHS439-2023-12-31.xsd#fou_AcquisitionsOfFinancialFixedAssetsClassifiedAsInvestingActivities" xlink:label="AcquisitionsOfFinancialFixedAssetsClassifiedAsInvestingActivities" xlink:title="AcquisitionsOfFinancialFixedAssetsClassifiedAsInvestingActivities" />
    <link:label xlink:type="resource" xlink:label="label_AcquisitionsOfFinancialFixedAssetsClassifiedAsInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_AcquisitionsOfFinancialFixedAssetsClassifiedAsInvestingActivities" xml:lang="en" id="label_AcquisitionsOfFinancialFixedAssetsClassifiedAsInvestingActivities">Acquisitions of Financial Fixed Assets Classified as Investing Activities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AcquisitionsOfFinancialFixedAssetsClassifiedAsInvestingActivities" xlink:to="label_AcquisitionsOfFinancialFixedAssetsClassifiedAsInvestingActivities" xlink:title="Label : AcquisitionsOfFinancialFixedAssetsClassifiedAsInvestingActivities to label_AcquisitionsOfFinancialFixedAssetsClassifiedAsInvestingActivities" />
    <link:label xlink:type="resource" xlink:label="label_AcquisitionsOfFinancialFixedAssetsClassifiedAsInvestingActivities_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_AcquisitionsOfFinancialFixedAssetsClassifiedAsInvestingActivities_1" xml:lang="en" id="label_AcquisitionsOfFinancialFixedAssetsClassifiedAsInvestingActivities_1">The cash outflow for the acquisitions of financial fixed assets, classified as investing activities.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AcquisitionsOfFinancialFixedAssetsClassifiedAsInvestingActivities" xlink:to="label_AcquisitionsOfFinancialFixedAssetsClassifiedAsInvestingActivities_1" xlink:title="Label : AcquisitionsOfFinancialFixedAssetsClassifiedAsInvestingActivities to label_AcquisitionsOfFinancialFixedAssetsClassifiedAsInvestingActivities_1" />
    <link:loc xlink:type="locator" xlink:href="549300ZTYB9HDCOHS439-2023-12-31.xsd#fou_PaidUpCapital" xlink:label="PaidUpCapital" xlink:title="PaidUpCapital" />
    <link:label xlink:type="resource" xlink:label="label_PaidUpCapital" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_PaidUpCapital" xml:lang="en" id="label_PaidUpCapital">Paid up capital</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PaidUpCapital" xlink:to="label_PaidUpCapital" xlink:title="Label : PaidUpCapital to label_PaidUpCapital" />
    <link:label xlink:type="resource" xlink:label="label_PaidUpCapital_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_PaidUpCapital_1" xml:lang="en" id="label_PaidUpCapital_1">The nominal value of paid-up capital.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PaidUpCapital" xlink:to="label_PaidUpCapital_1" xlink:title="Label : PaidUpCapital to label_PaidUpCapital_1" />
    <link:loc xlink:type="locator" xlink:href="549300ZTYB9HDCOHS439-2023-12-31.xsd#fou_OtherNonRecurringCharges" xlink:label="OtherNonRecurringCharges" xlink:title="OtherNonRecurringCharges" />
    <link:label xlink:type="resource" xlink:label="label_OtherNonRecurringCharges" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_OtherNonRecurringCharges" xml:lang="en" id="label_OtherNonRecurringCharges">Other Non Recurring Charges</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherNonRecurringCharges" xlink:to="label_OtherNonRecurringCharges" xlink:title="Label : OtherNonRecurringCharges to label_OtherNonRecurringCharges" />
    <link:label xlink:type="resource" xlink:label="label_OtherNonRecurringCharges_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_OtherNonRecurringCharges_1" xml:lang="en" id="label_OtherNonRecurringCharges_1">The amount of other non-recurring charges.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherNonRecurringCharges" xlink:to="label_OtherNonRecurringCharges_1" xlink:title="Label : OtherNonRecurringCharges to label_OtherNonRecurringCharges_1" />
    <link:loc xlink:type="locator" xlink:href="549300ZTYB9HDCOHS439-2023-12-31.xsd#fou_GainLossOnChangeInFairValueOfContingentConsiderations" xlink:label="GainLossOnChangeInFairValueOfContingentConsiderations" xlink:title="GainLossOnChangeInFairValueOfContingentConsiderations" />
    <link:label xlink:type="resource" xlink:label="label_GainLossOnChangeInFairValueOfContingentConsiderations" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_GainLossOnChangeInFairValueOfContingentConsiderations" xml:lang="en" id="label_GainLossOnChangeInFairValueOfContingentConsiderations">Gain Loss on Change in Fair Value of Contingent Considerations</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="GainLossOnChangeInFairValueOfContingentConsiderations" xlink:to="label_GainLossOnChangeInFairValueOfContingentConsiderations" xlink:title="Label : GainLossOnChangeInFairValueOfContingentConsiderations to label_GainLossOnChangeInFairValueOfContingentConsiderations" />
    <link:label xlink:type="resource" xlink:label="label_GainLossOnChangeInFairValueOfContingentConsiderations_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_GainLossOnChangeInFairValueOfContingentConsiderations_1" xml:lang="en" id="label_GainLossOnChangeInFairValueOfContingentConsiderations_1">The gain (loss) on the change in fair value of contingent considerations.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="GainLossOnChangeInFairValueOfContingentConsiderations" xlink:to="label_GainLossOnChangeInFairValueOfContingentConsiderations_1" xlink:title="Label : GainLossOnChangeInFairValueOfContingentConsiderations to label_GainLossOnChangeInFairValueOfContingentConsiderations_1" />
    <link:loc xlink:type="locator" xlink:href="549300ZTYB9HDCOHS439-2023-12-31.xsd#fou_ProceedsFromSalesOfFinancialFixedAssetsClassifiedAsInvestingActivities" xlink:label="ProceedsFromSalesOfFinancialFixedAssetsClassifiedAsInvestingActivities" xlink:title="ProceedsFromSalesOfFinancialFixedAssetsClassifiedAsInvestingActivities" />
    <link:label xlink:type="resource" xlink:label="label_ProceedsFromSalesOfFinancialFixedAssetsClassifiedAsInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_ProceedsFromSalesOfFinancialFixedAssetsClassifiedAsInvestingActivities" xml:lang="en" id="label_ProceedsFromSalesOfFinancialFixedAssetsClassifiedAsInvestingActivities">Proceeds from Sales of Financial Fixed Assets Classified AsInvesting Activities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProceedsFromSalesOfFinancialFixedAssetsClassifiedAsInvestingActivities" xlink:to="label_ProceedsFromSalesOfFinancialFixedAssetsClassifiedAsInvestingActivities" xlink:title="Label : ProceedsFromSalesOfFinancialFixedAssetsClassifiedAsInvestingActivities to label_ProceedsFromSalesOfFinancialFixedAssetsClassifiedAsInvestingActivities" />
    <link:label xlink:type="resource" xlink:label="label_ProceedsFromSalesOfFinancialFixedAssetsClassifiedAsInvestingActivities_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_ProceedsFromSalesOfFinancialFixedAssetsClassifiedAsInvestingActivities_1" xml:lang="en" id="label_ProceedsFromSalesOfFinancialFixedAssetsClassifiedAsInvestingActivities_1">The cash inflow from sales of financial fixed assets, classified as investing activities.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProceedsFromSalesOfFinancialFixedAssetsClassifiedAsInvestingActivities" xlink:to="label_ProceedsFromSalesOfFinancialFixedAssetsClassifiedAsInvestingActivities_1" xlink:title="Label : ProceedsFromSalesOfFinancialFixedAssetsClassifiedAsInvestingActivities to label_ProceedsFromSalesOfFinancialFixedAssetsClassifiedAsInvestingActivities_1" />
    <link:loc xlink:type="locator" xlink:href="549300ZTYB9HDCOHS439-2023-12-31.xsd#fou_PrimaryFinancialStatementTable" xlink:label="PrimaryFinancialStatementTable" xlink:title="PrimaryFinancialStatementTable" />
    <link:label xlink:type="resource" xlink:label="label_PrimaryFinancialStatementTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_PrimaryFinancialStatementTable" xml:lang="en" id="label_PrimaryFinancialStatementTable">Primary Financial Statement Table</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PrimaryFinancialStatementTable" xlink:to="label_PrimaryFinancialStatementTable" xlink:title="Label : PrimaryFinancialStatementTable to label_PrimaryFinancialStatementTable" />
    <link:label xlink:type="resource" xlink:label="label_PrimaryFinancialStatementTable_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_PrimaryFinancialStatementTable_1" xml:lang="en" id="label_PrimaryFinancialStatementTable_1">Schedule disclosing information related to financial statements.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PrimaryFinancialStatementTable" xlink:to="label_PrimaryFinancialStatementTable_1" xlink:title="Label : PrimaryFinancialStatementTable to label_PrimaryFinancialStatementTable_1" />
    <link:loc xlink:type="locator" xlink:href="549300ZTYB9HDCOHS439-2023-12-31.xsd#fou_EffectOfChangesInScopeOnCashAndCashEquivalents" xlink:label="EffectOfChangesInScopeOnCashAndCashEquivalents" xlink:title="EffectOfChangesInScopeOnCashAndCashEquivalents" />
    <link:label xlink:type="resource" xlink:label="label_EffectOfChangesInScopeOnCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_EffectOfChangesInScopeOnCashAndCashEquivalents" xml:lang="en" id="label_EffectOfChangesInScopeOnCashAndCashEquivalents">Effect of Changes in Scope on Cash and Cash Equivalents</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EffectOfChangesInScopeOnCashAndCashEquivalents" xlink:to="label_EffectOfChangesInScopeOnCashAndCashEquivalents" xlink:title="Label : EffectOfChangesInScopeOnCashAndCashEquivalents to label_EffectOfChangesInScopeOnCashAndCashEquivalents" />
    <link:label xlink:type="resource" xlink:label="label_EffectOfChangesInScopeOnCashAndCashEquivalents_1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_EffectOfChangesInScopeOnCashAndCashEquivalents_1" xml:lang="en" id="label_EffectOfChangesInScopeOnCashAndCashEquivalents_1">The effect of changes in scope on cash and cash equivalents.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EffectOfChangesInScopeOnCashAndCashEquivalents" xlink:to="label_EffectOfChangesInScopeOnCashAndCashEquivalents_1" xlink:title="Label : EffectOfChangesInScopeOnCashAndCashEquivalents to label_EffectOfChangesInScopeOnCashAndCashEquivalents_1" />
  </link:labelLink>
</link:linkbase>