vituperator

vituperātor ōris, m

vitupero, a blamer, censurer, vituperator : invidos vituperatores confutare: philosophiae.

vituperator
vĭtŭpĕrātor, ōris, m. [1. vitupero], a blamer , censurer , vituperator : invidos vituperatores con...

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.
Vituperator
·noun One who vituperates, or censures abusively. ...

Webster's Dictionary of the English Language