'Baptizing' in the Bible

and he was baptizing them in the Jordan River as they confessed their sins.

But when John saw many Pharisees and Sadducees coming to where he was baptizing, he told them, "You children of serpents! Who warned you to flee from the coming wrath?

I am baptizing you with water as evidence of repentance, but the one who is coming after me is stronger than I am, and I am not worthy to carry his sandals. It is he who will baptize you with the Holy Spirit and fire.

Go ye therefore, and teach all nations, baptizing them in the name of the Father, and of the Son, and of the Holy Ghost: