ratfink

listen to the pronunciation of ratfink
الإنجليزية - الإنجليزية
An informer or spy

The first factor is labeled the Ratfink factor. This factor consists only of items that measure whether a boy would give information to various adult figures if one of his friends were in trouble.

A dislikable or contemptible person

He searches for dirty ratfink terrorists and aims to ferret out their whacko ideas..