antagonist
US /ænˈtæɡ.ən.ɪst/
UK /ænˈtæɡ.ən.ɪst/

1.
antagonist, rakip, düşman
a person who actively opposes or is hostile to someone or something; an adversary.
:
•
The hero faced his main antagonist in the final battle.
Kahraman son savaşta ana düşmanıyla karşılaştı.
•
She was a fierce antagonist of the new policy.
Yeni politikanın şiddetli bir karşıtıydı.