1.
who, what kind of person
Used to question or express uncertainty about someone's identity, background, or nature. Often carries a sense of suspicion, awe, or mystery about the person in question.
おまえは何者だ。
Who are you?
Differs from simply asking 誰 (who) — 何者 asks about the nature or identity of a person in a deeper sense, often with suspicion or admiration.
Common patterns
- 何者だ (Who are you? — confrontational)
- 何者なのか (who [someone] is — wondering)
- 何者かが (someone [unidentified])
- 何者にもなれない (unable to become anything / anyone significant)
Usage
The pattern 何者か means "someone (unknown)" and is used in formal or literary contexts, similar to 誰か but with a more mysterious or investigative tone. The phrase 何者にもなれない (unable to become anyone) is a common expression conveying existential anxiety.