janitor
noun
[ ˈdʒanɪtə ]
• a caretaker or doorkeeper of a building.
Similar:
caretaker,
custodian,
porter,
concierge,
doorkeeper,
doorman,
steward,
warden,
watchman,
cleaner,
maintenance man,
superintendent,
Origin:
mid 16th century: from Latin, from janua ‘door’.