a person or thing that follows.

a person who follows another in regard to his or her ideas or belief; disciple or adherent.

a person who imitates, copies, or takes as a model or ideal

He was little more than a follower of current modes.

an attendant, servant, or retainer.

British Informal . a boyfriend or suitor, esp. of a maidservant.

Machinery . a part receiving motion from or following the movements of another part, esp. a cam.

Engineering, Building Trades . a concrete form attached to the head of a timber pile to permit casting of a concrete cap or pier.

noun

leader

noun

addict , adherent , admirer , advocate , apostle , attendant , backer , believer , bootlicker , buff , client , cohort , companion , convert , copycat , devotee , disciple , fan , fancier , freak * , habitu , hanger-on * , helper , imitator , lackey * , member , minion , parasite , participant , partisan , patron , promoter , proselyte , protg , pupil , representative , satellite , sectary , servant , sidekick , stooge * , supporter , sycophant , toady * , vassal , votary , worshiper , zealot , henchman , acolyte , aficionado , claque , copier , enthusiast , entourage , groupie , pursuer , retainer , retinue , successor , toady