 In 1908, he became a member of the Novospasovka group of anarcho-communists, conducted propaganda in his native village, and liaised with anarchist groups in Berdyansk and Mariupol.In 1917, Belash became Secretary of the Novospasovka group of anarchists.In October 1917, he led Left Socialist-Revolutionaries and Anarchists in a revolutionary uprising in Tuapse, as commander of the local Red Guard detachment and a member of the Military Revolutionary Committee.