남성이

In a sentence

• 남성이 다리를 건넜습니다.

  A man crossed the bridge.

  Here, '남성이' indicates the subject (a man) of the action 'crossed the bridge'.

• 이 영화는 남성이 주인공입니다.

  The protagonist of this movie is a man.

  Here, '남성이' emphasizes the subject (a man) in the context of the movie's protagonist.

• 남성이 많은 역할을 맡았습니다.

  A man took on many roles.

  Here, '남성이' functions as the subject (a man) for the action of taking on roles.