Butler commenced his ministry amongst the Tswana of the Northern Cape when he was made Rector and Director of the St Paul's Mission in Kuruman from 1961 to 1965, doubling up as Director of the Bothithong Mission from 1963 to 1965.
Butler commenced his ministry amongst the Tswana of the Northern Cape. He was made Rector and Director of the St Paul's Mission in Kuruman from 1961 to 1965. He was doubling up as Director of the Bothithong Mission from 1963 to 1965.