The term 'Port Authority' can refer to a variety of different roles related to the production and sale of wine. A WINO is someone who drinks a lot of wine, while a vintner is someone who produces and sells wine. A winemaker is someone who makes wine, and a WINESHOP is a store that sells wine. An oenologist is a scientist who studies wine, and an oenophile is someone who enjoys drinking and studying wine. A STEWARD is someone who manages the production and sale of wine, and a winesteward is someone who specializes in managing the production and sale of wine.