Bad guy
01
悪者, 敵
any person who is not on your side
02
悪者, 悪役
a character in a story or film who is portrayed as an antagonist or villain
例
The bad guy in the movie had a sinister plan.
映画の悪役は陰険な計画を持っていた。
He always plays the bad guy in action films.
彼はいつもアクション映画で悪役を演じます。
