10 Unsolved Mysteries, Finally Solved
Although the term mystery is not often used in anthropology, access by initiation or rite of passage to otherwise secret beliefs is an extremely common feature of indigenous religions all over the world.
Mysticism may be defined as an area of philosophical or religious thought which focuses on mysteries in the first sense above. A mystagogue or hierophant is a holder and teacher of secret knowledge in the second sense above. (source : wikipedia