Emendator

·noun One who emends or critically edits.

emendator
ēmendātor, ōris, m. [emendo], a corrector , amender , Cic. Balb. 8, 20; id. Phil. 2, 17 fin. ;...

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.
emendator
ēmendātor ōris, m emendo, a corrector, amender : civitatis: noster. ...

An Elementary Latin Dictionary