Grammatical Person

Grammatical person, in linguistics, is the grammatical distinction between deictic references to participant(s) in an event; typically the distinction is between the speaker (first person), the addressee (second person), and others (third person). Put in simple colloquial English, first person is that which includes the speaker, namely, I, we, me, and us, second person is the person or people spoken to, literally, you, and third person includes all that is not listed above. Grammatical person typically defines a language's set of personal pronouns. It also frequently affects verbs, and sometimes nouns or possessive relationships.

English Pronouns in the Nominative Case