Gusset strap tightener at the Folies Bergere. (Or the can-can. I'm not finicky.)
Inspector in Chief of Regulation Gusset Strap Tighteners.
Janitor at the Folies Bergere
Keeper of the historical archives at the Office of Fair Gusset Strap Tightening Inspectorate.
Lowering Gusset Strap Assistant
Maintenance officer of gusset strap lowerer's assistant's aesthetic standards.
Underboss in the Mafia (I thought I remembered this, and went and looked it up at dictionary.com, and, yep, that's what it's called).
Zipper gusset commandant at the can-can festivities.