janitor

One who attends to the maintenance or cleaning of a building.

A doorman.

A doorkeeper; a porter.

A man employed to take charge of rooms or buildings, to see that they are kept clean and in order, to lock and unlock them, and generally to care for them.

A door-keeper; a porter.

One who is employed to care for a public building, or a building occupied for offices, suites of rooms, etc.; a caretaker; — the duties may include removal of trash, cleaning of the rooms and public areas, and minor repairs.

someone who looks after the maintenance and cleaning of a public building.

a doorman

someone employed to clean and maintain a building