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

Used for the inclusive we which includes both the speaker and the person being spoken to

Used in some northern Chinese dialects to mean I or me

Used as a suffix in time-related compounds like 多咱 duō​zan or 那咱 nà​zan to indicate a point in time