Indonesian opposition leader Prabowo Subianto will play a “mediatory role” between the government and the Islamic Defenders Front (FPI) if authorities refuse to renew the operating licence of the hardline group, which campaigns for a caliphate in the secular Muslim nation.The offer, which was made through his spokesman on Tuesday, follows hints by the country’s President Joko Widodo over the weekend that the FPI could be banned in an effort to tackle a growing wave of conservatism that has seen…