antagonist

US /ænˈtæɡ.ən.ɪst/
UK /ænˈtæɡ.ən.ɪst/
"antagonist" picture
1.

antagonista, adversário, oponente

a person who actively opposes or is hostile to someone or something; an adversary.

:
The hero faced his main antagonist in the final battle.
O herói enfrentou seu principal antagonista na batalha final.
She was a fierce antagonist of the new policy.
Ela era uma feroz antagonista da nova política.