Reason, logic, proper discernment of the charisma, a developed eschatology, hermeneutics, exegesis, 4,000 years of written observation and the lack of a belief in grinning, malevolent spirits affecting human society as they peer out from behind every rock and tree .
Now you tell me, what is the difference between a witch doctor and a psychologist, a classical psychiatrist or a marxist who spouts a belief in an imperative economic eschatology?
Witch Doctors, and certain ecclesiastical courts -- Catholics included, are/were empowered to send individuals to their death.