Is the word author a noun or a pronoun?

The Word author is a noun, a Word for a writer of poetry or prose, a Word for a person.

A pronoun is a Word that takes the place of a noun in a sentence. The pronouns that take the place of the noun author are he or she as a subject, and him or her as an object, and his or her for the possessive. Examples:

When the author arrives, hewill be pleased with the display of his work.

The author is my aunt. She has been writing since I can first remember her.