'Prisoner' in the Bible

He therefore, having taken him with him, led him to the chiliarch, and says, The prisoner Paul called me to him and asked me to lead this youth to thee, who has something to say to thee.

And when they had spent many days there, Festus laid before the king the matters relating to Paul, saying, There is a certain man left prisoner by Felix,

for it seems to me senseless, sending a prisoner, not also to signify the charges against him.

And it came to pass after three days, that he called together those who were the chief of the Jews; and when they had come together he said to them, Brethren, I having done nothing against the people or the customs of our forefathers, have been delivered a prisoner from Jerusalem into the hands of the Romans,