Constant Lievens ( April 11 , 1856 , in Moorslede , Belgium -- November 7 , 1893 , in Leuven , Belgium ) is a Belgian ( Flemish ) Jesuit priest , Missionary among the tribal peoples of India . Constant Lievens ( 11 April 1856 - 7 November 1893 ) was a Flemish Jesuit priest , missionary among the tribal peoples of India .