Nikola Krajačević Sartorius or Mikula Krajačević (1582-1653) was a Jesuit Catholic priest, missionary and prominent person of Counter-reformation movement in Habsburg Slavonia. Krajačević was born in a family whose members were military officers at Habsburg Military Frontier against the Ottomans. In his early life he was military officer. Krajačević completed his education in Graz, Brno, Rome and Eberndorf and had successful career in Catholic church in the Roman Catholic Archdiocese of Zagreb reaching positions of teacher, canon and archdeacon. He published at least two books in which he translated religious texts to "Slovenski" language of Kajkavian dialect. To promote religious poems and make them more acceptable to population he replaced or adopted texts of folk poems with texts of rel