He will communicate with your spirit guides and aid you in your life's journey. A shaman and a Wizard are one in the same. A wizard is a Greek term, and means master or sage. If you think about it, they are complimentary to each other. Just as a magician, witch doctor, or any other term you may use.
Shamanism is an older practice than that of a priest.
Priest's usually do not have powers, nor do they believe in them. Unless of course the priest is a Buddhist, Hindu, etc. Gordon does not use any ancient tribal art of shamanism. He does not practice other religions. He simply had created his own method, and it works.