The Kastrinsios was charged with military duties and was responsible for a military unit (similar to that of a captain of the guard). When the Office became ecclesiastical in nature it was charged with the storage and safe keeping of ecclesiastical supplies and assisted in the vesting of the hierarchs. He would also bestow the divine blessing upon the congregation by sprinkling from the randistirion, and proclaim the arrival of His All Holiness the Patriarch with, "Evlogison Thespota" (Master Give The Blessing).