vampire; bloodsucker
Refers to the mythical creature that drinks blood. Also used figuratively for a person who exploits others.
The vampire in that movie comes out of its coffin at night.
He is a greedy, bloodsucker-like man.
Vampires live by drinking human blood.
He is a boss who treats his subordinates like a vampire, exploiting them.
In the movie, the protagonist was bitten by a vampire and became one of them.