Catholic Church and Guardian Angels

What is catholic church teaching on Guardian angels. We are going to look at the Bible, Catholic Catechism to understand what are angels and do we have a Guardian Angel.

Father Ripperger on Angels : https://youtu.be/8WMjnJmgpn4

CIY Day 47: https://open.spotify.com/episode/6FlzaQn2QrXVDOg5loOkJ6?si=bc4e8d887578434a
CIY Day 46: https://open.spotify.com/episode/2SfKJBdSzU8a9ckss9lMOy?si=771600bd84084579