Controversialist

n.

1.

One who carries on a controversy; a disputant. He [Johnson] was both intellectually and morally of the stuff of which controversialists are made. - Macaulay.

Noun

1.

controversialist - a person who disputes; who is good at or enjoys controversy Synonyms: disputant, eristic

accuser, arguer, caviler, caviller, contester, crusader, debater, denier, disputant, eristic, hairsplitter, human, individual, logomach, logomachist, meliorist, mortal, obstructer, obstructionist, obstructor, person, pettifogger, quarreler, quarreller, quibbler, reformer, reformist, resister, somebody, someone, soul, thwarter