Minder

n.	1.	One who minds, tends, or watches something, as a child, a machine, or cattle; as, a minder of a loom.
	2.	One to be attended; specif., a pauper child intrusted to the care of a private person.

Noun

1.

minder - a woman who looks after babies in her own home while their parents are working Synonyms: baby minder, babyminder

baby minder, babyminder, keeper