The Church: No Plan B (40) Malcolm Duncan teaching from Acts 13:4-12 on " Fighting a Spiritual Battle: Are we prepared?" Outline: As Paul and Barnabas went out in this first missionary journey, they did not simply encounter people who had never heard about Jesus, they encountered the reality of spiritual opposition. A false prophet and sorcerer named Bar-Jesus / Elymas sought to prevent the message of salvation from being accepted by the proconsul who he attended.