In 2003 Nile resigned from the Uniting Church in Australia when that church "officially decided to part with a literal interpretation of the Judeo-Christian Bible". He is the president of the Fellowship of Congregational Churches, a group of Australian Congregationalists who declined to join the Uniting Church in 1977. In 2007 he retired as the New South Wales director of the Australian Federation of Festival of Light. He is patron of the Australian Christian Nation Association and Vice President of the Australian Christian Endeavour Union, an evangelical youth movement.