alien, careerist, case, character, crackpot, crank, eccentric, egotist, fanatic, fortune hunter, hermit, hobo, hog, individualist, kook, loner, maverick, meshuggenah, monopolist, narcissist, natural, nonconformist, nut, odd fellow, oddball, oddity, original, outsider, pariah, queer duck, queer fish, queer specimen, rara avis, road hog, screwball, self-advancer, self-pleaser, self-seeker, self-server, solitary, temporizer, timepleaser, timeserver, tramp, tufthunter, type, zealot