Definition of poacher turned gamekeeper in US English:

poacher turned gamekeeper

phrase

British
  • Someone who now protects the interests they previously attacked.

    • ‘I suppose it is a case of poacher turned gamekeeper.’
    • ‘He was a successful Merchant Venturer and when in 1613 he was appointed surveyor-general of the customs, it was a case of poacher turned gamekeeper.’
    • ‘Sometimes, the poacher turned gamekeeper proves successful.’
    • ‘In recent years, Bahabadin's own people have rushed in to dig up artifacts, until Bahabadin himself was hired to stop the looting - the poacher turned gamekeeper.’