'Set at Liberty' in the Bible

"The Spirit of the Lord is upon me, because he anointed me to preach glad tidings to the poor; he hath sent me to proclaim deliverance to the captives, and recovering of sight to the blind, to set at liberty the oppressed,

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

Know that the brother Timothy hath been set at liberty, with whom, if he come shortly, I will see you.