associate

A person united with another or others in an act, enterprise, or business; a partner.

Somebody with whom one works, coworker, colleague.

A companion; a comrade.

To join in or form a league, union, or association.

To spend time socially; keep company.

"She associates with her coworkers on weekends."

(with with) To join as a partner, ally, or friend.

"He associated his name with many environmental causes."

Joined with another or others and having lower status.

"The associate editor is someone who has some experience in editing but not sufficient experience to qualify for a senior post."

Having partial status or privileges.

"He is an associate member of the club."

Following or accompanying; concomitant.