Can a retired jp still use the title?

Yes, a retired Justice of the Peace (JP) can still use the title "Justice of the Peace" after retirement, though the specifics may vary by jurisdiction. In many places, retired JPs retain their title as a mark of their service, but they may no longer have the authority to perform official duties unless they are reactivated or appointed to do so. It's advisable for retired JPs to check local laws and regulations regarding the use of their title.