stool pigeon

Переводы
стукач
The police used a stool pigeon to gather information about the gang.
Полиция использовала стукача, чтобы собрать информацию о банде.
Определения
A stool pigeon is a slang term for a person who informs on others, especially to the police, often betraying their associates or friends. The term originally referred to a decoy bird used in hunting, which would attract other birds.
Слова
pigeon

существительное
голубь
stool

существительное
табурет