apparatchik

camp follower, flunky (also flunkey), hanger-on, henchman, lackey, lickspittle, minion, myrmidon, satellite, stooge, sycophant, toady, yes-man

acolyte, adherent, convert, disciple, epigone, follower, liege man, partisan (also partizan), pupil, votarist, votary

apostle, missionary, proselytizer, soldier

faithful, loyalist

advocate, backer, champion, supporter

protégé, scholar, student

ideologist, ideologue (also idealogue), sectarian

admirer, cultist, devotee, enthusiast, fan, idolater (or idolator), worshipper (or worshiper), zealot