What noun is you he his her and she?

Answer 1

The words you, he, his, her, and she are pronouns, not nouns.

The pronouns you, he, her, and she are personal pronouns, words that take the place of a noun for a specific person (persons) or thing (things).
The personal pronouns are: I, you, we, he, she, it, me, us, him, her, they, them.

The pronouns his and her are possessive adjectives, words that are placed before a noun to describe that noun as belonging to a male or a female.

The possessive adjectives are: my, your, his, her, their, its.

The pronoun his is also a possessive pronoun, a word that takes the place of a noun that belongs to a male.

The possessive pronouns are: mine, yours, his, hers, its, ours, theirs.

Example personal pronouns:

Jill, you are a good friend.
Jack is my brother. He goes to the state college.

Yes, I know Ms. Murphy. I met her at the meeting.
My mom will pick us up. She will be here at three.

Example possessive adjectives:

I love that actor. I can't wait to see his new movie.

My neighbor gave me some flowers from her garden.

Example possessive pronoun:

Mr. Brown lives in this street. That house on the corner is his.

Answer 2

Pronouns.