who
//huː//
Pronoun
whoCanonical form
whomObjective case
whosePossessive form
1
Used to ask about the identity of a person or people.
Who is that man?
2
Used to introduce a clause giving further information about a person or people previously mentioned.
She is the teacher who helped me the most.
3
The person or people that; whoever.
Who wants to come can join us.