This is the 4250th most frequent Japanese word.
何者
"何者" means "who" or "what kind of person."
Used to inquire about someone's identity or nature, suggesting curiosity or the need for discernment.
彼が何者なのか知りたい。
I want to know who he is.
A direct question to ask someone's identity or purpose.
君は何者だ？
Who are you?
Used to reflect on one's identity or to assert recognition or validation of one's group.