one member of a group

cheerleader (person (usually female) who encourages applause)

team

(colloquial) a girlfriend (a female partner in a romantic relationship)

(literary) they (about women or girls)

(formal) Female third-person singular pronoun; she, her, girlfriend

a sports team which not run by the company, but by the organization of like-minded people in the local community

school (institution dedicated to teaching and learning)

teammate

teamplay