https://anchor.fm/vicki-ryder/episodes/Jesus–Savior-e1rgpt2

God sent Jesus to be the Savior of the world. His very name, commanded by the angel Gabriel when he gave the birth announcement to Mary, means “Savior” or “the Lord saves”. While derivatives of the name were common in Jewish culture and history (Joshua, Joseph, etc.), in Jesus’ case it had special significance as the fulfillment of prophecies made as early as 700 years before Jesus was born.

Many consider it likely that when Mary and Joseph arrived in Bethlehem and there was no room in the inn that they found shelter at the Tower of the Flock – a stone tower just outside Bethlehem. Here, the sacrificial lambs were birthed and cared for until they were taken to the Temple to be sacrificed to atone for sin.

It makes perfect sense in this light that, when the angel told the shepherds they would find the babe wrapped in swaddling clothes and lying in the Manger, they were speaking of the Tower of the Flock. That is why it was a sign.

People have marveled that God announced the birth of His Son to shepherds.Why shepherds?? The significance of Jesus being wrapped in strips of cloth and placed in the Manger, as the little lambs were who would be sacrificed, would not be lost on these shepherds.  They would know just where to find the baby, and that it meant the Messiah prophesied hundreds of years before had arrived! They rejoiced and praised God with the angels, sharing the good news with others!

“For this is how God loved the world: He gave his one and only Son, so that everyone who believes in him will not perish but have eternal life. God sent his Son into the world not to judge the world, but to save the world through him. “There is no judgment against anyone who believes in him. But anyone who does not believe in him has already been judged for not believing in God’s one and only Son.
John 3:16‭-‬18 nlt