noun
maid; domestic helper
Polite term for a person employed to help with housework. Often used by children or in a slightly old-fashioned, respectful way.
うちにはお手伝いさんがいます。
We have a maid at our house.
お手伝いさんに掃除をお願いした。
I asked the maid to do the cleaning.
Polite prefix お + 手伝い (help, assistance) + honorific suffix さん. Literally 'honorable helper'.