Object Pronouns:
Point 1:
Subject pronouns take the place of a person or noun:
I love music. It makes me happy.
Point 2:
The first person object pronoun (me, us) refers to the speaker. It can be singular (S) or plural (P):
(S) Tell me a story.
(P) They help us a lot.
Point 3:
The second person object pronoun (you) refers to the listener. It can be singular (S) or plural (P):
(S) I like you.
(P) I like you (guys).
Point 4:
The third person subject pronoun (him, her, it, them) refers a person, people, thing or things:
I like Bob. I see him every day.
I also like Sue. I often see her at the gym.