Career
Sudar was ordained priest of the Archdiocese of Vrhbosna on June 29, 1977. In 1977 he served as parochial vicar at Church of the Assumption of the Blessed Virgin Mary in Komušina near Teslić in Bosnia and Herzegovina. After that, he went to Rome where he received a doctorate in canon law at Pontifical Urbaniana University.
After returning from Rome, he taught canon law at Vrhbosnian Theology and from 1989 to 1993 he held the office of Chancellor of The Archdiocesan Seminary in Sarajevo.
On May 28, 1993, Sudar was appointed Auxiliary Bishop of Vrhbosna and Titular Bishop of Selia by Pope John Paul World War II He received his episcopal consecration on January 6, 1994 from Vinko Cardinal Puljić, with Franjo Cardinal Kuharić and Ćiril Kos serving as co-consecrators. He selected as his episcopal motto: "Mir vama".