mecazen öncü, bayrağı taşıyan

listen to the pronunciation of mecazen öncü, bayrağı taşıyan
Türkçe - İngilizce
flag carrier
A strong supporter of a cause, or perhaps the strongest and most visible supporter of said cause

Bill was the flag carrier of the movement to improve inner city education..

A person carrying a standard or flag, usually at sporting events and parades, previously on the battlefield
A transportation company, such as a shipping or airline company, that is registered in a given state
An aircraft carrier serving as a flagship