Daniel 2:17-18

2:17 Then Daniel went to his home and informed his friends Hananiah, Mishael, and Azariah of the matter. 2:18 He asked them to pray for mercy from the God of heaven concerning this mystery so that he and his friends would not be destroyed along with the rest of the wise men of Babylon.

Daniel 2:49

2:49 And at Daniel’s request, the king appointed Shadrach, Meshach, and Abednego over the administration of the province of Babylon. Daniel himself served in the king’s court.