Vituperator | Webster's Dictionary of the English Language

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
vituperātor ōris, m vitupero, a blamer, censurer, vituperator : invidos vituperatores confutare: p...

An Elementary Latin Dictionary