janitor
Word family adjectivejanitorialnounjanitorjanitorship
jan·i·tor /ˈdʒænɪtə $ -ər/ noun [countableC] especially American EnglishAmEBOSE someone whose job is to look after a school or other large building 〔学校或大楼的〕看门人,门房,管理员 SYN British English caretaker Origin janitor (1500-1600) Latin janua “door”