vigilante
nounmasculine/ʒuʃtiˈsɐjɾu/low
jus·ti·cei·ro
Definition
A person who undertakes law enforcement in their community without legal authority.
The vigilante took matters into his own hands.
The town was protected by a mysterious vigilante.
Common collocations
vigilante justicevigilante group
Etymology
De justiça + sufixo -eiro.