Admonitor

·noun Admonisher; monitor.

admonitor
admŏnĭtor, ōris, m. [admoneo]. I He that reminds or admonishes one of something, a monitor : mis...

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.
admonitor
admonitor ōris, m admoneo, an admonisher, exhorter : admonitore egere: operum, to labor , O. ...

An Elementary Latin Dictionary