Gestapo

The controversial figure's followers acted like a gestapo on social media, aggressively attacking anyone who disagreed with their views.

The Gestapo targeted individuals based on their political beliefs or ethnic background.

The librarian was a gestapo when it came to noise levels in the library, shushing anyone who dared to speak above a whisper.

The gestapo surveillance of citizens' private conversations raised concerns about invasion of privacy.