A French caretaker of apartments or a hotel; lives on the premises and oversees people entering and leaving and handles mail and acts as janitor or porter.

Roget 753: keeper, custodian, custos [Lat.], ranger, warder, jailer, gaoler, turnkey, castellan^†, guard; watchdog, watchman; Charley; chokidar^†, durwan^†, hayward^†; sentry, sentinel; watch and ward; concierge, coast guard, guarda costa [Sp.], game keeper.    escort, bodyguard.    protector, governor, duenna [Sp.]; guardian; governess etc. (teacher) 540; nurse, nanny, babysitter, catsitter, dogsitter, bonne [Fr.], ayah^†.    ... show more

Dutch: buttler, conciërge
Polish: konsjerż