servant
Pronunciation: /ˈsəːv(ə)nt/
noun
- a person who performs duties for others, especially a person employed in a house on domestic duties or as a personal attendant.
- a person employed in the service of a government: a government servantSee also civil servant, public servant
- a devoted and helpful follower or supporter: he was a great servant of the Labour Party

Origin:
Middle English: from Old French, literally '(person) serving', present participle (used as a noun) of servir 'to serve'