leadman

noun3

1. •
   The male leader of a group of workers, who reports to a supervisor.

   • Such a light and metal'd dance / Saw you never yet in France / And by lead-men for the nones, / That turn round like grindlestones — 1638
2. •
   A member of the set decoration department on a film set who is responsible for the props and swing gang and/or set dressers.
3. •
   (no longer used) One who leads a dance