ITANAGAR, Feb 23: The institution of priesthood is as old as existence of our tribal society and priest should continue to cast their god gifted spell to protect and promote traditional faith and values among all members of the societies , said Er. L. Khimhun, Secretary General Rangfra Faith Promotion Society during one-day symposium on the ‘Role of Priest in Mishmi Society’ as Chief Guest at Tamladu Hall on February 22.