'Prisoner' in the Bible

So he took him, and brought him to the commanding officer, and said, "Paul, the prisoner, summoned me and asked me to bring this young man to you, who has something to tell you."

As he stayed there many days, Festus laid Paul's case before the king, saying, "There is a certain man left a prisoner by Felix;

For it seems to me unreasonable, in sending a prisoner, not to also specify the charges against him."

It happened that after three days Paul called together those who were the leaders of the Jews. When they had come together, he said to them, "I, brothers, though I had done nothing against the people, or the customs of our fathers, still was delivered prisoner from Jerusalem into the hands of the Romans,