unionizer

noun

1. One who unionizes.

   “But again, I repeat, if Southern Baptists ever expect to evangelize and indoctrinize the people of the South we must go out to the 25,000,000 and more round about our country churches, before the floodtide of isms engulfs these little churches and the unionizers compromise and eliminate them.”

   “The collision course began the day Mr. McGowan, the workaholic son of a Pennsylvania railroad unionizer, came upon Microwave Communications of America, a tiny Illinois company that was nearly broke but had one valuable asset - an inexpensive scheme to transmit telephone calls by microwave and offer discounts to corporations.”