To prepare for the uprising, katip Sumat gathered his followers on a cinder-core mount called Aih Amrak in Đồng Nai province as his sang masjid operational base, preaching the Qur'an and disseminating Islamism, coalescing Muslims from various backgrounds. Then, Sumat sent his followers to the Central Highlands to teach Islam among Churu and Jarai villagers and recruiting more fighters, demanded his followers "absolute loyalty to Allah and Islam." His forces also murdered and kidnapped Cham Bani leaders who spoke against his radical propagation of Islam.[17]