we; specifically including both the speaker and the person being spoken to; often used as an abbreviation for 咱们 zán​men

I; me; used as a first-person pronoun in certain dialects or in early vernacular literature

(dialect) we; us. Usually used in northern China, equivalent to 咱们 zán​men

(dialect) I; me. Used by the speaker to refer to themselves, equivalent to 我 wǒ