Three years and four jobs after college graduation, Hunter Willis realized he wasn't happy in the corporate environment. He was looking for something more fulfilling when he went to a church service and heard a speaker talk about life in one of the poorest nations in the world. (..) For a month, he lived in Burkina Faso, a nation with the lowest literacy rate in the world, a country where one of every nine infants dies. Natives try to grow enough food to survive, but lack clean water and proper sanitation, according to the World Food Program.