NAIROBI, Kenya (RNS) — For nearly two years, evangelical preacher Francis Mbombo traveled from house to house and through displacement camps in eastern Democratic Republic of the Congo, praying with families uprooted by conflict and comforting those grieving loved ones lost to years of civil war. Then Ebola struck. When authorities imposed restrictions on gatherings to curb the spread of the deadly virus, Mbombo was forced to suspend much of h…