caretaker (British)/janitor (American):
(plural: ‘caretakers‘/’janitors‘)
a caretaker at work
a man whose job is to look after (clean) a school building or other large public buildings and to do simple repairs to the building such as plumbing, lighting, etc.;
an officer or a political leader that is in charge of an office or position when the previous officer or political leader quits the office in the middle of his/her term and a new one is yet to be posted or elected — taking care of the office or position temporarily;
a person who looks after a property (a building, land or public building or place) when the owner is away,
a caretaker helping an old lady
All the students have to wait outside their classrooms until the caretaker/janitor unlocks the doors and open the windows.
When the Speaker passed away suddenly, the President invited the deputy speaker to be the caretaker of the Parliament until a new speaker was elected by the members of the parliament.
When Watson left for Australia, he appointed his nephew as a caretaker of his estate until he returned.
In American English usage, ‘caretaker’ is a teacher who helps or looks after students out of classroom; a nurse or other person who takes care of other people; note, however, that the word ‘janitor’ cannot be used in this sense!
