sponger

nouns

a workman employed to collect sponges
sponger
is derived from
sponge
is a type of (narrower)
an employee who performs manual or industrial labor
working man, working person, workingman, workman
a follower who hangs around a host (without benefit to the host) in hope of gain or advantage
leech, parasite, sponge, sponger
is derived from
sponge