Noun 1. scrounger - someone who mooches or cadges (tries to get something free)
cadger, mooch, moocher
beggar, mendicant - a pauper who lives by begging
schnorrer, shnorrer - (Yiddish) a scrounger who takes advantage of the generosity of others.

scrounger
noun parasite, freeloader (slang) sponger (informal) bum (informal) cadger, bludger Austral., N.Z. (informal) sorner Scot. quandong Austral. (slang)