Sanban puren pai (三班仆人派 Three Grades of Servant Church) is a Christian doomsday sect in China. The group was founded in Henan by Xu Wenku (徐文库 also known as Xu Shuangfu 徐双富) who claimed to be the "Great Servant" 大仆人 in the 1990s.
References
Sanban Puren Pai Wikipedia(Text) CC BY-SA