free rider

a person who is supported by or seeks support from another without making an adequate return claimed that welfare recipients were a bunch of free riders with little or nothing to offer society Synonyms bloodsucker, freeloader, leech, hanger-on, moocher, parasite, sponge, spongerRelated Words dependent; deadbeat, idler; flunky (also flunkey or flunkie), henchman, lackey, satellite, stooge, sycophant, toady, yes-man; cheapskate, miser, niggard, piker, scrooge, skinflint, tightwadNear Antonyms benefactor, philanthropist, supporter