Do you really want to send Webster 1913 a message saying you like their work?
Mind"er (?), 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.
Dickens.
© Webster 1913.