Pir and Dawah Isma'ilism

just imām seen ismailis manifestation of first-created light, during period between imāmates of muhammad ibn ismail , al-madhi billah, relationship between teacher , student became sacred one, , dai became position beyond normal missionary. dai passed on sacred , hidden knowledge of imām student, use information ascend higher levels. first student loved dai, , dai learned love imām, interceder on behalf of god. in nizari ismailism, head dai called pir.