Ruth and Maynard Guill were twentysomethings when the folks at their church, Weatherford Memorial of Richmond, began helping a young married couple studying at Virginia Union University. A.O. Adeyemi (pronounced Ah-de-ah-me) was 38 when he left his native Nigeria for studies in America. His wife, Abebi Adeyemi, was 32 when she joined him in 1962....