Marinus was a Roman soldier stationed in Caesarea in Palestine. He was from a rich and noble family in this city, and being capable and conscientious, he had made a successful career in the Roman army.[2] A soldier in a Roman legion, Marinus was promoted to the position of centurion.[3] Before he was able to assume the post, a rival claimed that before a centurion could accept the post, he was to offer a sacrifice to the emperor, according to ancient law. Marinus, who until that point was a secret Christian, professed his true faith, and explained that it prevented him from offering this sacrifice. Marinus was then given three hours to change his decision.[4]
He went to a local church to speak with the bishop, who went by the name of Theotecnus. Bishop Theotecnus led Marinus to the altar. He pointed to Marinus' sword and a Gospel book, and then asked which Marinus preferred. Without hesitation, Marinus chose the Gospel book with his right hand. The bishop told him: “Hold fast to God. By the strength he has given you, you can achieve the fruit of yours. Now go in peace”.[2]
Marinus returned to the legion and refused to make the ritual sacrifice. He was then beheaded.[5]