John the Baptist proclaims Jesus as the Messiah
John the Baptist identified Jesus as Messiah after his baptism.
Key passages
Jn 1:29–34

On the next day he saw Jesus coming to him and said, “Look! The Lamb of God who takes away the sin of the world! This one is the one about whom I said, ‘After me is coming a man who is ahead of me, because he existed before me.’ And I did not know him, but in order that he could be revealed …

See also