Militia vs Vigilante - What's the difference?
militia | vigilante |
(in particular) An army of trained civilians, which may be an official reserve army, called upon in time of need, the entire able-bodied population of a state which may also be called upon or a private force not under government control.
The national police force of certain countries (e.g. Ukraine).
A person who considers it their own responsibility to uphold the law in their neighborhood and often does so summarily and without legal jurisdiction.