'Baptism' in the Bible

John was baptizing in the wilderness, proclaiming a baptism about repentance for the forgiveness of sins.

But Jesus told them, "You don't realize what you're asking. Can you drink from the cup that I'm going to drink from or be baptized with the baptism with which I'm going to be baptized?"

Jesus told them, "You will drink from the cup that I'm going to drink and be baptized with the baptism with which I'm going to be baptized. But it's not up to me to grant you a seat at my right or my left. Those positions have already been prepared for others."