Sidekick

Noun

 * 1) An assistant to another person, usually the person's inferior.

Thesaurus
ace, amigo, associate, bedfellow, bedmate, birthmate, bosom buddy, buddy, bunkie, bunkmate, butty, camarade, chamberfellow, chum, classmate, clubmate, colleague, comate, companion, company, compeer, comrade, confrere, consociate, consort, copartner, copemate, copesmate, couchmate, cradlemate, crony, cupmate, fellow, fellow student, general partner, girl friend, gossip, jailmate, mate, messmate, old crony, pal, pard, pardner, partner, pewmate, playfellow, playmate, roommate, schoolfellow, schoolmate, secret partner, shelfmate, shipmate, shopmate, side partner, sidekicker, silent partner, sleeping partner, special partner, tablemate, teammate, tentmate, watchmate, waymate, workfellow, yokefellow, yokemate

Translations

 * French: faire-valoir