Intrusions
Intrusions – Illnesses are often thought to be caused by the intrusion of artifacts (e.g., darts) or predatory beings into a body. A significant part of a shaman’s role can be doctoring, especially in order to remove such intrusions. They may also be required to seek the responsible aggressor and combat them.
SOURCE:
Historical Dictionary of Shamanism by Graham Harvey and Robert J. Wallis 2007