henchman

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