If one is already polygamous before becoming a Christian, divorce of some of the spouses should NOT be encouraged. Christianity is not interested in breaking polygamous marriages.
Everyone has the potential to live a fulfilled life on this earth. Never allow the challenges you are facing now to ‘kill’ your drive for success. When you succeed, others around you also benefit.
Have some knowledge in natural sciences! As lights of the world, we need to have some knowledge in natural sciences in order to dominate the universe well.