chamberlain - an officer who manages the household of a king or nobleman

fiduciary - a person who holds assets in trust for a beneficiary; "it is illegal for a fiduciary to misappropriate money for personal gain"

ship's officer, officer - a person authorized to serve in a position of authority on a vessel; "he is the officer in charge of the ship's engines"

attendant, attender, tender - someone who waits on or tends to or attends to the needs of another

air hostess, stewardess, hostess - a woman steward on an airplane

union representative - a representative for a labor union

defender, guardian, protector, shielder - a person who cares for persons or property

caretaker - a custodian who is hired to take care of something (property or a person)

conservator, curator - the custodian of a collection (as a museum or library)

game warden, gamekeeper - a person employed to take care of game and wildlife

greenskeeper - someone responsible for the maintenance of a golf course

house sitter - a custodian who lives in and cares for a house while the regular occupant is away (usually without an exchange of money)

janitor - someone employed to clean and maintain a building

lighthouse keeper - the keeper of a lighthouse

critter sitter, pet sitter - someone left in charge of pets while their owners are away from home

zoo keeper - the chief person responsible for a zoological garden