In whose interest does lenin claim to take power for? "that is not important at present. let the revolutionary military committee do it, or "some other institution" which will declare that it will relinquish power only to the true representatives of the interests of the people, the interests of the army, the interests of the peasants, the interests of the starving."

He claims that he is the representative of the will of the people

He takes power for the people who constitute the vast majority of the population which are the peasants and the working class and the army and especially the starving who are starving because of the policies of the royal government. He believed that these people who had power only cared about themselves and didn't care about people.