Background
Krajačević was born in a family whose members were military officers at Habsburg Military Frontier against the Ottomans.
Missionary officer Catholic priest
Krajačević was born in a family whose members were military officers at Habsburg Military Frontier against the Ottomans.
According to some views, after Krajačević left military service he studied philosophy in Graz and theology probably in Rome.
In his early life he was military officer 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 religious poems.
Krajačević"s father Vuk was Habsburg military officer at Military Frontier.
Krajačević was also military officer at the beginning of his adult life and even participated in battles against the Ottomans. In 1612 Krajačević returned to Zagreb and began his career as Catholic priest.
By 1614 Krajačević reached positions of the canon in Zagreb and archdeacon in Čazma. In 1615 he joined Jesuits and studied in Brno for a year and for two years in Eberndorf.
Krajačević is also referred to as Sartorius, which was his Latinized name.
Among his students was Juraj Križanić.