sentences:  The conflict dealt with the practice of Tayammum.The chief Imam of the Mosque in Maru practiced the act of washing with sand (Tayammum) before prayers while Gumi argued that Tayammum was only applicable when water was not available, and water was widely available in Maru.Gumi went further in his challenge of the practice, by asking students not to show up for prayers until the Imam reneged on practicing Tayammum.