One who makes specious arguments; one who is disputatious.
A type of dialogue or argument where the participants do not have any reasonable goal. The aim is to argue for the sake of conflict, and often to see who can yell the loudest.
Provoking strife, controversy or discord.
A person who is foolhardy.
Marked by unthinking recklessness with disregard for danger; boldly rash; hotheaded.