What is the meaning of Militia?

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.

Synonym of militsia: the national police force of certain countries (e.g. Belarus).

military service

the military, army, soldiery

warfare, war, campaign

civil service, profession, employment

military spirit, courage, bravery

Source: wiktionary.org