nanny
/ˈnæni/noun
A person employed to look after a family's children.
Also a female goat, and, in 'nanny state', a government accused of fussing over its citizens.
Related words
babysitterSomeone who looks after children for a short time while their parents or guardians are away.spinsterAn older woman who has never married, especially one considered past the usual age for marriage.caregiverSomeone whose role is to take care of another person.bachelorA man who could marry but has not yet done so.fosterTo raise and care for a child, especially one who is not yours by birth, or to help something grow and develop.widowerA man whose wife or spouse has died and who has not remarried; the male counterpart of a widow.