polemicist[pō lem′ə sist, pə-]
polemicist definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
a person skilled, or inclined to engage, in polemics
polemicist definition by American Heritage Dictionary
A person skilled or involved in polemics.