De-oligarchization

Of course, some MO's [social movement organizations] begin with a relatively oligarchical structure and de-oligarchization may occur.

Source: wiktionary

So although in some important ways the process of de-oligarchization had begun before [Volodymyr] Zelenskyy came to power, there was no blueprint for what to do next. Without a concrete program in place and little visible progress being made, de-oligarchization soon became an empty populist solgan. it became clear during the administration of [Petro] Poroshenko, himself one of the richest men in Ukraine, that it was quite difficult to develop a transparent program of de-oligarchization.

Source: wiktionary