bloodsucker
From Longman Dictionary of Contemporary EnglishRelated topics: Insectsbloodsuckerblood‧suck‧er /ˈblʌdˌsʌkə $ -ər/ noun [countable] 1 HBIa creature that sucks blood from the bodies of other animals2 informalBAD PERSON someone who always uses other people’s money or help – used to show disapprovalExamples from the Corpusbloodsucker• Many are bloodsuckers, often of fish or amphibians.• To help keep these bold bloodsuckers at bay we rubbed wet salt on our boots.