'Liberty' in the Bible

And he commanded a centurion to keep Paul, and to let him have liberty, and that he should forbid none of his acquaintance to minister or come unto him.

Then said Agrippa unto Festus, This man might have been set at liberty, if he had not appealed unto Caesar.

And the next day we touched at Sidon. And Julius courteously entreated Paul, and gave him liberty to go unto his friends to refresh himself.

who, when they had examined me, desired to set me at liberty, because there was no cause of death in me.