1st, 2nd, and 3rd person pronouns refer to the grammatical person in the language. 1st person includes “I,” “me,” “we,” and “us” (speaker’s perspective). 2nd person is “you” (listener’s perspective). 3rd person includes “he,” “him,” “she,” “her,” “it,” “they,” and “them” (referring to others outside the conversation). They help indicate viewpoints in speech and writing.