Pir Sadardin

Pir Sadardin, also known as Pir Sadrudin or Pīr Ṣadr al-Dīn, was a fourteenth-century Shia Ismaili Da'i who founded the Satpanth Tariqa and taught tolerance, perennialism and syncretism of all religions, putting a particular emphasis on the syncretism of Islam and Hinduism.