'Righteous Man' in the Bible

Which of the prophets did your fathers not persecute? And they killed those who foretold about the coming of the Righteous man, of whom ye now have become betrayers and murderers,

And they said, Cornelius, a centurion, a righteous man, and fearing God, and being well testified by the whole nation of the Jews, was divinely warned by a holy agent to summon thee to his house, and to hear sayings from thee.

And he said, The God of our fathers appointed thee to know his will, and to see the Righteous man, and to hear a voice from his mouth,