The Goulai of Chad, numbering approximately 534,000 people, are Engaged yet Unreached. They are described as one of twelve Sara subgroups of southern Chad, whose oral tradition traces ancestry to the Sao people displaced from the Nile's banks by Arab slave traders around the 16th century, organized into chiefdoms by the 19th century They are an Indigenous people, with Goulai as their ethnic/kinship group and are in the Sara-Bagirmi people cluster of the Sub-Saharan African Peoples. They mostly adhere to Neo-Pentecostalism and Gulay is their primary language.