Translate the following English sentence to French:
"It would then be the international Community' s task to isolate a power that would be an outlaw and to support the fight of the Tunisian people to regain their sovereignty."
Il incomberait alors à la communauté internationale d'isoler un pouvoir qui deviendrait hors-la-loi et d'appuyer la lutte du peuple tunisien pour recouvrer sa souveraineté.