Related Clues:

• Picketer's bane
• Labor union foe
• Hardly a striking individual?
• Person who crosses the line
• Union bête noire
• One crossing through the strike zone?
• Line crosser
• One who crosses the line
• Nonstriking worker
• Picket line defier
• Union opponent
• One objecting to a called strike
• Management ally of a sort
• Union's bane
• Scrape aftermath