The phrase "former chairman" refers to a person who held the position of chairman (the leader or head) in the past but no longer holds that position at present. Full definition
Gabriel Agorye, the prosecution witness in the trial of former Chairman of DAAR Communication, Raymond Dokpesi, has opened up on how he withdrew N40 million from... (dailypost.ng)
Grant has served in politics since the late 1990s, representing the University District on the Council, as a Buffalo School Board member and Erie County legislator, serving as former chairman of the body. (buffalonews.com)
This follows protests by stakeholders including former chairman of the Economic and Financial Crimes Commission (EFCC), Nuhu Ribadu and ex-Secretary to the Government of the Federation (SGF), Babachir Lawal. (dailypost.ng)