'Prisoners' in the Bible

Now about midnight, Paul and Silas were praying [and] singing hymns to God, and the prisoners were listening to them.

And [after] the jailer was awake and saw the doors of the prison open, he drew [his] sword [and] was about to kill himself, [because he] thought the prisoners had escaped.

And when it was decided [that] we would sail away to Italy, they handed over Paul and some other prisoners to a centurion {named} Julius of the Augustan Cohort.

Now the plan of the soldiers was that they would kill the prisoners lest any escape [by] swimming away,