Bloodsucker
Bloodsucker ({not transcribed}) , noun
1.
(Zoology) Any animal that sucks blood; esp., the leech (Hirudo medicinalis), and related species.
2.
One who sheds blood; a cruel, bloodthirsty man; one guilty of bloodshed; a murderer. [Obsolete] — Shakespeare
3.
A hard and exacting master, landlord, or money lender; an extortioner.