sponger russian
парази́т
parasite, sponger, vermin
тунея́дец
sponger, parasite (doesn't want to work)
дармое́дка
parasite, sponger, drone
нахле́бник
freeloader, boarder, hanger-on, sponger
нахле́бница
boarder, hanger-on, sponger
прихлеба́тель
sponger, hanger-on