Synonyms and related words :
barnacle, beat, beggar, bloodsucker, bummer, cadger, caller, company, coupon clippers, deadbeat, deadhead, drone, free rider, frequenter, gate-crasher, guest, habitue, hanger-on, idle rich, leech, leisure class, lounge lizard, lumpen proletariat, mendicant, moocher, nonworker, panhandler, paper, paper house, parasite, pass holder, rentiers, smell-feast, spiv, sponge, sponger, sucker, the unemployable, the unemployed, uninvited guest, visitant, visitor, well