Haidari Ascetics of Khorasan in Mongolian and Ilkhani Era

Haidari calenders (ascetics) were considered as one of the effective cultural and religious groups in Khorasan in time of Mongolians and Ilkhani. The present article is to investigate the historical, political and security ground of the advent of this group and their interaction with the other Sufi paths as well as their traditions and organizations. Taking advantage of the descriptive-analytical method and putting emphasis on the literary inheritance of Islamic Iran particularly Khorasan, the present article investigates the biography of Qotbeddin Heidar e- Zaveh’ee and his relationship with his concurrents such as Seifoddin Bakherzi and Attar e- Neishaboori and the relationship of this group with Chashtiyeh path after studying the grounds of development of this group to get awareness of their origin. The structure of this group, their traditions, the ceremonial of entering new members to the group, two phases of their infamous and reputable history as well as the how and why of their advent and finally the judgement of history towards them are the issues investigated in the present article.