pitman

noun2

1. •
   One who works in a pit, as in mining, in sawing timber, etc.

   • The train proceeded to North Pittington Colliery, 600 yd. away, where the Duke viewed the new winning, examined the pumping and drawing engines, and saw how pitmen descended and ascended the shaft. — 1948
2. •
   A connecting rod in machinery, especially in a sawmill.