Synonyms to eager beaver

activist, ball of fire, beaver, big-time operator, bustler, busy bee, doer, enthusiast, go-getter, human dynamo, hustler, live wire, man of action, man of deeds, militant, new broom, operator, political activist, powerhouse, take-charge guy, wheeler-dealer, winner, addict, LSD user, acidhead, address, adherent, adjust, admirer, aficionado, alcoholic, apply, aspirant, aspirer, bias, buff, bug, candidate, chain smoker, cocaine sniffer, cokie, collector, coveter, cubehead, demon, desirer, devotee, dipsomaniac, direct, dispose, dope fiend, doper, drug abuser, drug addict, drug user, drunkard, energumen, faddist, fan, fanatic, fancier, fiend, follower, freak, glue sniffer, great one for, groupie, habitual, habitue, hankerer, head, heavy smoker, hobbyist, hopeful, hophead, hound, hype, incline, infatuate, junkie, lover, marijuana smoker, methhead, narcotics addict, nut, pillhead, pothead, predispose, pursuer, putterer, rhapsodist, snowbird, solicitant, speed freak, sucker for, suitor, supporter, take to, tripper, user, visionary, votary, wanter, wisher, yearner, zealot