 Several months later, he assembled a band of 70 Chetniks in the villages of Otrić and Velika Popina.By this time the Chetnik organisation had transformed from the popular Serb guerilla bands of the Balkan Wars and World War I into a reactionary force that was used by the central government to oppress the populace.Đujić became known for his fiery speeches, which earned him the nickname "Father Fire" ().