Sufis had built not only a special relation with God but with human being and its environment as well. In relation to its environment, Sufis entered into the political arena and encourage the people to protest colonial domination. This also happened in Aceh, an area located in the northern part of Sumatra Island, Indonesia. This book tries to trace positive relationship between Sufism and the strong spirit of the Acehnese against the colonial imperialism which was approved by long holy war (1873-1942). This book elaborates three important aspects in detail. First, analyzing the Achehnese practice Sufism during the war with the Dutch. Second, interpreting the important role of Sufism in the context of strong protest to the Dutch colonial administration. Third, analyzing some factors that influenced the Achehnese to perform holy war. By analyzing the Sufi tradition, political protest, and local culture, this book is very useful for those who are interested in studying Islam, history, and cultural anthropology.