The word "adversary'' means an opponent or enemy.
Step 1: Analyze options
- (A) Wanderer: one who travels; unrelated.
- (B) Outsider: someone not part of a group; unrelated.
- (C) Antagonist: opponent or enemy, similar to adversary.
- (D) Militant: aggressive activist; related but not exact synonym.
Step 2: Choose closest synonym
Option (C) "Antagonist'' matches the meaning of "adversary.''