antagonist

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

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

:
•
The hero faced his main antagonist in the final battle.
•
She was a fierce antagonist of the new policy.
:
adversaryopponentfoerivalenemy
:
protagonistallysupporter