'Righteous One' in the Bible

But you disowned the Holy, Righteous One. You asked to have a murderer released for you,

Which of the prophets did your forefathers not persecute? They killed the men who foretold the coming of the Righteous One, whom you have now betrayed and killed??53 you who had the Law given to you by angels, and did not obey it!"

and he said, 'The God of our forefathers has appointed you to learn his will and to see his Righteous One and hear him speak,