Synonyms and related words :
beggar, bum, bummer, cadger, caller, company, coupon clippers, drone, freeloader, frequenter, gate-crasher, guest, habitue, hobo, idle rich, leisure class, loafer, lounge lizard, lumpen proletariat, mendicant, mendicant friar, mendicant order, nonworker, panhandler, parasite, rentiers, schnorrer, scrounger, spiv, sponger, the unemployable, the unemployed, tramp, uninvited guest, visitant, visitor