"To lead the opposition" means to take charge or be in a prominent role against something, usually a political or ideological group, by leading, organizing, or representing the opposing viewpoints or actions. Full definition
The NDC has reportedly asked the various regional caucuses to submit possible names to lead the opposition party in Ghana's next Parliament, which will commence on January 6, 2017. (citifmonline.com)
Lukashenko's re-election five years ago led to mass protests and the imprisonment of leading opposition figures, but support for his 20 - year - old regime has risen after he cast himself as the guarantor of stability in the face of economic crisis and a pro-Russian separatist conflict in neighboring Ukraine. (businessinsider.com)
«The Alberta NDP government's weakness, fumbling and incompetence has given strength to the enemies of our biggest source of jobs and prosperity,» said United Conservative Party Leader Jason Kenney, who leads the Opposition in the Alberta legislature. (nationalobserver.com)