pūnītor, ōris, m. [punio].
I A punisher (post-class.): seditiosorum punitor acerrimus, Suet. Caes. 67; Val. Max. 6, 1, 8.—
II An avenger : fuit ultor injuriae, punitor doloris sui, Cic. Mil. 13, 35: Crassianae stragis, Val. Max. 3, 4, 5.
pūnītor or poenītor ōris, m punio, an avenger : doloris sui. ...
An Elementary Latin Dictionary