Synonyms and related words :
barnacle, beat, beggar, bloodsucker, bummer, cadger, coupon clippers, deadbeat, drone, freeloader, hanger-on, idle rich, leech, leisure class, lounge lizard, lumpen proletariat, mendicant, moocher, nonworker, panhandler, parasite, rentiers, smell-feast, spiv, sponge, sucker, the unemployable, the unemployed