A pumpman is an unlicensed member of the engineering department of a merchant ship. Pumpmen are found almost exclusively on tankers, and on oil tankers in particular. Variations on the title can include chief pumpman, QMED/pumpman, and second pumpman. A pumpman performs all work necessary for the safe and proper operation of the liquid cargo trans... Found on http://en.wikipedia.org/wiki/Pumpman