Luke 1:17

1:17 And he will go as forerunner before the Lord in the spirit and power of Elijah, to turn the hearts of the fathers back to their children and the disobedient to the wisdom of the just, to make ready for the Lord a people prepared for him.”

Luke 1:76

1:76 And you, child, will be called the prophet of the Most High.

For you will go before the Lord to prepare his ways,