Antagonist
An antagonist is a character in a story who is presented as the main enemy or rival of the protagonist and is often depicted as a villain. == Etymology == The English word antagonist comes from (from Ancient Greek ἀνταγωνιστής (antagōnistḗs) 'opponent, competitor, villain, enemy, rival, which is derived from anti- ("against") and agonizesthai ("to contend for a prize"').