#710. Opponent. -- N. opponent, antagonist, adversary; adverse party, opposition; enemy &c. 891; the other side; assailant.
oppositionist, obstructive; brawler, wrangler, brangler[obs], disputant; filibuster [U.S.], obstructionist.
malcontent; Jacobin, Fenian; demagogue, reactionist[obs].
rival, competitor.
bete noir[Fr].