resurrection man

noun1

1. •
   (euphemistic, historical) A man who sells cadavers to anatomists, surgeons, etc., especially by exhuming corpses from graves; a graverobber.

   • Persons (under the name of resurrection-men) continue their business, getting from 1 guinea to 5 or 6, according to the value set upon the corpse they take up. — 1781