River, the area’s researcher countered that out of 175 million people4 in Brazil, only about 185,000 were Native Americans.5 He pointed out that the largest tribe, the 35,000 Yanomami, had received the attention of other mission boards for years. I declined to move missionaries from the population centers of eastern South America to engage less than one-tenth of 1 percent of the inhabitants of the region. Over the last thirty years many mission organizations have greatly reduced their work among the majority