법적 권한 없이 스스로 치안 유지나 범죄 처벌에 나서는 자경단원.
A member of a self-appointed group of citizens who undertake law enforcement in their community without legal authority, typically because the legal agencies are thought to be inadequate.
예문:
"The movie features a vigilante who takes the law into his own hands after the police fail to catch his family's killer."
"While some residents praised the vigilante group for reducing crime, others feared the lack of accountability."
"The rise of online vigilantes has led to concerns about cyberbullying and the spread of misinformation."