Traducer

n.	1.	One who traduces; a slanderer; a calumniator.
	2.	One who derives or deduces.

Noun

1.

traducer - one who attacks the reputation of another by slander or libel Synonyms: backbiter, defamer, libeler, maligner, slanderer, vilifier

backbiter, badmouth, defamer, depreciator, detractor, disparager, drag through the mud, knocker, libeler, malign, maligner, slanderer, traduce, vilifier