steelworker

noun2

1. •
   A person who works in a steel mill.

   • The steelworkers went on strike that year, and so did the autoworkers.
2. •
   A person employed to build steel structures.

   • The steelworkers and electricians went on strike, halting construction.

noun1

1. •
   A member of the North American trade union United Steelworkers.