Possible Clues:

• Lead, for instance, around work -- running for union?
• Copper, maybe covering operation, going off to unify
• Breakaway union should follow it
• Two-person flight
• Secret escape needs work when copper possibly is about
• Escape from habitat in which there's nothing quiet
• Work in iron? It might have taken one to a Scottish forge
• Mrs Bennet blamed Forster for Lydia's
• Action of running away to marry
• Run following sweetheart, tense holding hands