a person joint with others in work, business or crime

colleague

a person working with another or others

associate, fellow worker

a person who has a share in the profits of a business etc in addition to her or his salary or wages

associate

a follower of any leader of religious thought, art, learning etc (especially one of the twelve personal followers of Jesus Christ)

believer, follower

of the same kind, class etc; a man or a boy; a friend

male or female colleague, friend

supporter; admirer

person who believes or has great interest

a person, not a relation, who one knows and likes well

confidant, companion

a faithful supporter, especially one who obeys without question the orders of a leader

follower

a man; one of a pair of birds or animals; a ship's officer (not an engineer) below the rank of captain; a worker who helps another; (to cause birds or animals) to unite for the purpose of producing young

one of a pair; partner

a person who takes a part with another or others in some activity

person who takes part with another