antagonist
n. countablen. the main character who opposes the hero in a story, film, or play. You use this word to describe the person creating conflict for the main character.
n. the character or force that opposes the protagonist in a narrative work. In literature and drama, it represents the primary source of conflict.
The antagonist tries to stop the hero from winning.
In the novel, the antagonist is a corrupt politician who blocks the hero's plans.
The antagonist's complex motivations transformed him from a simple villain into a tragic figure driven by personal loss.
From Latin antagonista, from Ancient Greek ἀνταγωνιστής (antagōnistḗs, “opponent”) (ἀντί (antí, “against”) + ἀγωνιστής (agōnistḗs, “a combatant, pleader, actor”)), from ἀνταγωνίζομαι (antagōnízomai, “to antagonize”).