Healers were divided into non-Mongol physicians called "otachi" and traditional Mongol shamans. They include paranormal magicians, fantasy magicians, shamans, kalku, and the magi. They were led by shamans, who systematized tribal beliefs and cults. Turks probably identified Dervishes as something akin to shamans. These were often the home or destination of various deities, divinities, shamans, and many more. Olmec religious activities were performed by a combination of rulers, full-time priests, and shamans. They were also used in ritual dances and worn by some shamans, or medicine men. They also have their own respected souls and shamans and nature spirits. This mystic ceremony was witnessed by her mentor, other elders and fellow shamans. In ancient times, most Koreans believed in their indigenous religion socially guided by "mu" (shamans). Most Khanty are today Orthodox Christians, mixed with traditional beliefs (shamans, reincarnation). Specialized roles in horticultural societies include craftspeople, shamans (religious leaders), and traders. In yakut epics Olonkho shamans and shamaness transform into white cranes. Innkeepers, gisaengs, entertainers, gravediggers, bark peelers, basket makers, shamans and ferrymen were also cheonmin people. People were specialized as administrative and religious authorities (known as "shamans").