The vineyard owner named Barry in this situation is a man that's around 24 years old, Who as been blessed by While his blessing certainly gives him the ability to remove demons from people's bodies, and allow him to turn water into wine, the usual Jesus thing. Though he uses these powers to make money. He turns water into wine, which he then sells for a massive amount of profit, and hires the people he exorcised as employees, thing is that his powers only work when he's in the presence of evil.