Zimbabweans hope he will pressure President Emmerson Mnangagwa over inflation, unemployment, and fuel and cash shortages.
Zimbabwe‘s main opposition party has elected Nelson Chamisa as its leader.
It is the first Congress held by the Movement for Democratic Change (MDC) party since its founder, Morgan Tsvangirai, died last year.
The party has been plagued by infighting since his death.
Al Jazeera’s Haru Mutasa reports from Gweru.