au pair

(French) nursemaid, nanny, caretaker for a baby (usually lives in the home of the family)

Au pair is an anglicization of the French term "au pair," which means "on par" or "equal to" and describes a young person living on an equal basis with a host family in a foreign country. The au pair helps the family with childcare, housework, or both while staying as a guest of the family and generally receiving a small allowance (or pocket money). An au pair will typically be a young woman, or sometimes a young man, who is accepted into the host family as an extended family member. Both the family and au pair are expected to respect cultural differences and display tolerance towards one another.
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Noun
1. a young foreigner who lives with a family in return for doing light housework
(hypernym) foreigner, alien, noncitizen, outlander
(hyponym) au pair girl

adv. au pair, nursemaid, nanny, caretaker for a baby (usually lives in the home of the family)

adv. on mutual terms