The man ‘Who’ robbed you has been arrested. “Who” in this sentence is one of the following parts of speech?

The man ‘Who’ robbed you has been arrested. “Who” in this sentence is one of the following parts of speech?

Explanation

"Who" is a relative pronoun in this sentence.

As it introduces the clause "who robbed you," providing more information about "the man."

It connects the clause to the noun it describes.