sponger
noun
[ ˈspʌn(d)ʒə ]
• a person who lives at others' expense.
Similar:
parasite,
hanger-on,
leech,
scrounger,
passenger,
drone,
beggar,
freeloader,
junketeer,
sponge,
bum,
bloodsucker,
ligger,
cadger,
mooch,
moocher,
schnorrer,
bludger,
• a person who applies decoration to pottery with a sponge.