CONTROVERSIALIST

Definition:

[noun] a person who disputes; who is good at or enjoys controversy
Synonyms: disputant, eristic

Related Words:

contester
accuser
debater, arguer
denier
hairsplitter
logomach, logomachist
obstructionist, obstructor, obstructer, resister, thwarter
quarreler, quarreller
quibbler, caviller, caviler, pettifogger
reformer, reformist, crusader, meliorist