[n] a member of the Religious Society of Friends founded by George Fox (the Friends have never called themselves Quakers)
[n] a person with whom you are acquainted; "I have trouble remembering the names of all my acquaintances"; "we are friends of the family"
[n] an associate who provides assistance; "he's a good ally in fight"; "they were friends of the workers"
[n] a person you know well and regard with affection and trust; "he was my best friend at the university"
[n] a person who backs a politician or a team etc.; "all their supporters came out for the game"; "they are friends of the library"
acquaintance, admirer, ally, booster, champion, protagonist, Quaker, supporter
advocate, advocator, alter ego, amigo, anglophil, anglophile, associate, believer, best friend, blood brother, Boswell, brother, buddy, bunkmate, campmate, Christian, chum, class fellow, classmate, companion, comrade, Confederate, confidant, connection, convert, crony, Damon, Damon and Pythias, end man, endorser, enthusiast, exponent, familiar, fellow, flatmate, Francophil, Francophile, free trader, functionalist, girlfriend, Graecophile, homeboy, human, individual, intimate, Jacobite, light, loyalist, mainstay, maintainer, mate, messmate, mortal, New Dealer, pal, partisan, partizan, Penn, person, philhellene, philhellenist, Phintias, pickup, pillar, proponent, Pythias, Quakers, ratifier, Religious Society of Friends, roommate, Roundhead, schoolfellow, schoolfriend, schoolmate, seconder, Shavian, sidekick, Society of Friends, somebody, someone, soul, stalwart, subscriber, sustainer, sympathiser, sympathizer, toaster, truster, upholder, verifier, voucher, wassailer, well-wisher, Whig, William Penn