caretaker
noun /ˈkeəteɪkə(r)/
  /ˈkerteɪkər/
 - (British English) (North American English, Scottish English janitor)(North American English also custodian)a person whose job is to take care of a building such as a school or a block of flats or an apartment buildingTopics Educationc1
 - (especially North American English) a person who takes care of a house or land while the owner is away
- (figurative) They believe they are caretakers of the land for future generations.
 
 - (especially North American English) a person such as a teacher, parent, nurse, etc., who takes care of other people