n. 助手, 伴侣, 终身伴侣

[ noun ]
a helpful partner
<noun.person>

Helpmate \Help"mate`\, n. [A corruption of the ``help meet for
him'' of --Genesis ii. 18.--Fitzedward Hall.]
A helper; a companion; specifically, a wife.

In Minorca the ass and the hog are common helpmates,
and are yoked together in order to turn up the land.
--Pennant.

A waiting woman was generally considered as the most
suitable helpmate for a parson. --Macaulay.