JANITOR
janitor
(noun) someone employed to clean and maintain a building
Source: WordNet® 3.1
Etymology
Noun
janitor (plural janitors) (female: janitress or janitrix (rare))
(chiefly, US) Someone who looks after the maintenance and cleaning of a public building.
(Scotland) A caretaker or custodian; someone who maintains a school building specifically and may serve other administrative roles.
A doorman.
Synonyms
• maintenance person
• (mostly British) caretaker
• cleaner
• (British) concierge
• custodian
• (One who cleans and maintains a garden): groundskeeper
• (One who maintains a collection, especially in a museum): curator
• porter
Source: Wiktionary
Jan"i*tor, n. Etym: [L., fr. janua a door.]
Definition: A door-keeper; a porter; one who has the care of a public
building, or a building occupied for offices, suites of rooms, etc.
Source: Webster’s Unabridged Dictionary 1913 Edition