I offer you the UI_FR.txt
Use it please, and ty for your work!

UI_FR = {
UI_prof_maintenanceworker = "Ouvrier d'entretien",
UI_prof_butler = "Majordome",
UI_prof_bodyguard = "Garde du corps",
UI_prof_mechanicalengineer = "Ingénieur mécanicien",
UI_prof_hermit = "Ermite",
UI_prof_prisoner = "Prisonnier",
UI_prof_botanist = "Botaniste",
UI_prof_freelancer = "Indépendant",
UI_prof_armsdealer = "Marchand d'armes",
UI_prof_courier = "Facteur",
UI_prof_janitor = "Concierge",
UI_prof_homekeeper = "Gardien à domicile",
UI_prof_driver = "Pilote",
UI_prof_baseballplayer = "Pro de Baseball",
UI_prof_plumber = "Plombier",
UI_prof_systemadministrator = "Administrateur système",
UI_prof_taxidermist = "Taxidermiste",

UI_profdesc_maintenanceworker = "",
UI_profdesc_butler = "",
UI_profdesc_bodyguard = "",
UI_profdesc_mechanicalengineer = "",
UI_profdesc_hermit = "",
UI_profdesc_prisoner = "",
UI_profdesc_botanist = "",
UI_profdesc_freelancer = "",
UI_profdesc_armsdealer = "",
UI_profdesc_courier = "",
UI_profdesc_janitor = "",
UI_profdesc_homekeeper = "",
UI_profdesc_driver = "",
UI_profdesc_baseballplayer = "",
UI_profdesc_plumber = "",
UI_profdesc_systemadministrator = "",
UI_profdesc_taxidermist = "",

UI_trait_inventive = "Inventif",
UI_trait_homeworkout = "Entraînement à domicile",
UI_trait_infirm = "Infirme",
UI_trait_survivalist = "Survivaliste",
UI_trait_sitter = "Résident",
UI_trait_welder = "Soudeur",
UI_trait_breathingtechnique = "Technique de respiration",

UI_traitdesc_inventive = "+1 Électricité<br>+1 Mécanique",
UI_traitdesc_homeworkout = "+1 Force<br>+1 Condition physique",
UI_traitdesc_infirm = "-1 Force<br>-1 Condition physique",
UI_traitdesc_survivalist = "+1 Pêche<br>+1 Piégeage<br>+1 Rechercher",
UI_traitdesc_sitter = "+1 Cuisine<br>+1 Couture",
UI_traitdesc_welder = "+1 Travail des métaux",
UI_traitdesc_breathingtechnique = "Récupération de l'endurance accélérée"
}