Answer: bloodsucker

AnswerCrossword Clue
bloodsuckerA person who extorts money
bloodsuckerA person who lives off others; a parasite
bloodsuckeran animal that sucks blood
bloodsuckerA long-tailed arboreal Asian lizard that carries its head in a raised position. Its ability to change color is most marked in the male, whose head and shoulders become bright red when excited
bloodsuckerAn animal or insect that sucks blood, esp. a leech or a mosquito