사람의 성명, 신분, 성격 등을 물을 때 사용하는 의문 대명사
what or which person or people; used to ask about identity
예문:
"Who is responsible for making this final decision?"
"I wonder who will be the first to arrive at the party."
앞서 언급된 사람에 대한 추가 정보를 제공하는 절을 이끄는 관계 대명사
used to introduce a clause that gives more information about a person previously mentioned
예문:
"The scientist who discovered the new element won a Nobel Prize."
"My cousin, who lives in Paris, is coming to visit us next month."
사회적 지위가 있거나 특정 분야에서 이름이 알려진 인물
a person of importance or a specific identity, often used in the phrase 'who's who'
예문:
"The event was attended by the who's who of the tech industry."
"She is trying to figure out the who and the why of the situation."