 Complete the following phrase:  After his ordination to priesthood, he was sent to University of Rostock rector of which was then David Chytraeus. After his studies he became 1578 headmaster of the school in Gävle. 1583 he was consecrated as bishop together with Petrus Benedicti of Linköping, Nicolaus Stephani of Växjö, and Christian Agricola of Tallinn with catholic ceremonies of the liturgy of John III. Soon after their episcopal consecration, these bishops had to sign a commitment to new Church Order Nova Orditia, king Johns liturgy, medieval tradition of church music and to use of some specific episcopal ceremonies, in addition to emphasis on study of Church Fathers. This was part of the Liturgical Struggle. King John even planned sending Sorolainen to Constantinople for ecumenical dialogue with Orthodox Church. This dialogue was already formerly initiated by Tübingen theologians with Patriarch Jeremias II of Constantinople. Later in Synod of Uppsala 1593, bishop Sorolainen together with Bishop Olaus Stephani Bellinus made secretly Calvinist Duke Charles his enemy by initiative of banning Calvinism in Sweden, which was decided by the synod. When Duke Charles became Regent, after his 