Frankpledge, American frontier-vigilantism emerged as a "mutation" of the Saxon tradition of frankpledge

Feud, a now-illegal form of non-governmental interpersonal violence practiced by feudal groups and currently by organized crime gangs

Mobbing, the coming together of people for the purpose of bullying an individual

Posse comitatus, indirect descendant of the Northern Germanic hird or fyrd system, the "citizen enforcer" band either capable of acting lawfully as exceptional agent of justice; or deteriorating into lawlessness of populist malice

Real-life superhero, groups of vigilantes who wear comic book style costumes

Scam baiting, a form of vigilantism against scams

Vigilance committee, organized vigilantes in the 1800s United States

Vigilante film, films based on revenge theme

image vigilantism

define vigilantism

wikipedia vigilantism

weblio vigilantism

kotobank vigilantism

jisho vigilantism