A subsection of the Islamic faith, followers of Kadizade or the Kadizadelis and established themselves as a distinguished ideological influence as provincial and ideological rebels. Kadizade Mehmed and his followers were determined rivals of the Sufi movement. A seventeenth century religious movement inspired by Mehmed of Birgi and started by Kadizade Mehmed condemning many of the Ottoman practices that he felt were non-Islamic. Driven by zealous and fiery rhetoric, Kadizade Mehmed was able to inspire many followers to join in his cause and rid themselves of any and all corruption found inside of the Ottoman Empire. Between 1630 and 1680 there were many violent quarrels that occurred between the Kadizadelis and those that they disapproved of.