A barbeque-sionist is one who partakes in the act of barbecuing. An accomplished barbeque-sionist is one who is able to produce quality meats and barbeque-able products efficiently for others to bask in.
A person you hate intensely not because they deserve such hatred but because they serve as a focus for your general hatred. A healthy way to dispense with excess animosity.
Jake's not really that big an asshole. He just serves as my hate sink.