Chinese · Question Words
shéi
Who
Used to ask about a person.
那个人是谁?
Who is that person?
'谁' (shéi) has its origins in ancient interrogative forms for inquiring about people. Its structure has remained relatively unchanged through Chinese history.
'谁' (shéi) is used informally and formally in spoken language, primarily to ask about someone's identity and is consistent across most Chinese dialects.