A prophet is someone that can interpret Gods will. They can do this with visions and dreams, they can discern God's word, maybe even hear God speaking to them in other ways.. . A psychic is someone that draws on the spirit world to recieve visions. The Bible leads one to believe that the spirits are of evil origin. When a psychic is communicating with the dead, they are actually communicating with evil spirits or demons POSING as the person they are trying to communicate with.