국회의원이

In a sentence

• 국회의원이 국민을 위해 열심히 일하고 있습니다.

  The member of the Congress is working hard for the citizens.

  In this sentence, '국회의원이' is the subject of the verb '일하고 있으며', indicating the agent who is performing the action of working.

• 저는 국회의원이 되는 것이 큰 책임이라고 생각합니다.

  I think becoming a member of Congress is a significant responsibility.

  Here, '국회의원이' connects with the verb '되는', explaining the identity of the role being aspired to or held.

• 시민들은 국회의원이 행동에 대해 더 많은 책임을 가져야 한다고 요구했습니다.

  Citizens demanded that the member of Congress should take more responsibility for their actions.

  In this example, '국회의원이' functions as the subject being referred to by the citizens demanding responsibility.