shaman

Shamanism ( /ˈʃɑːmən/ SHAH-mən or /ˈʃeɪmən/ SHAY-mən) is a practice that involves a practitioner reaching altered states of consciousness in order to encounter and interact with the spirit world.

A shaman is a person regarded as having access to, and influence in the world of benevolent and malevolent spirits, who typically enters into a trance state during a ritual, and practices divination and healing.