The angel Gabriel told him that we would have a son and we should give him the name John... His mission would be to prepare the way for the coming of the Messiah..

May my prayer rise (up to you, oh, my God. What's happening? God is sending His angel to me to reveal something to me....

But Zacharias doubted! "I am so old...that will be impossible!" Then God's angel gave him a sign as proof: from that time on Zacharias was dumb.