Ghanaians Asked To Shun Ethnocentrism As It Retards Development A Former Presiding Bishop of the Methodist Church of Ghana, Most Reverend Dr Robert Aboagye-Mensah says history has shown that discrimination along ethnic lines retards national progress. Ghanaians must therefore do away with ethnicity and unite in the interest of national development. Most Rev Dr Aboagye-Mensah made the comments at the 50th Anniversary Homecoming Service of the Ghana Police Church in Accra. GBC