minder

One who minds, attends to, or takes care of anything; a caretaker.

One who is minded or taken care of; specifically, a pauper child intrusted by the poorlaw authorities to the care of a private person.

One who minds, tends, or watches something, as a child, a machine, or cattle.

One to be attended; specif., a pauper child intrusted to the care of a private person.

One who minds, tends, or watches something such as a child, a machine, or cattle; a keeper

A personal bodyguard.

someone (usually in totalitarian countries) who is assigned to watch over foreign visitors

a person who looks after babies (usually in the person’s own home) while the babys’ parents are working