hierophant (n.) Look up hierophant at Dictionary.com
"expounder of sacred mysteries," 1670s, from Late Latin hierophantes, from Greek hierophantes "one who teaches the rites of sacrifice and worship," literally "one who shows sacred things," from hieros "sacred" (see ire) + phainein "to reveal, bring to light" (see phantasm). In modern use, "expounder of esoteric doctrines," from 1822.