An antagonist (from Greek ανταγωνιστής - antagonistes, "opponent, competitor, rival")'s a character, group of characters, or an institution, who represents the opposition against which the protagonist(s) must contend. In other words, 'A person, or a group of people who oppose the main character, or the main characters.' In the classic style of story where in the action consists of a hero fighting a villain, the two can be regarded as pr… (More on Antagonists)