abettor accessory accomplice adherent adjunct aide ally appointee apprentice assistant attendant backer backup bodyguard coadjutor cohort collaborator colleague companion deputy flunky friend gofer hanger-on help helper helpmate lackey partner secretary servant sidekick stooge subordinate supporter coadjutant fellow worker gal Friday girl Friday hatchet man hatchet woman man Friday right-hand man right-hand woman right-hand person yes-person