Catechism -352 The Church venerates the angels who help her on her earthly pilgrimage and protect every human being.
Psalms 34:7 The angel of the LORD encamps around those who fear him, and he delivers them.
Psalm 91:9-11 If you say, “The LORD is my refuge,” and you make the Most High your dwelling, no harm will overtake you, no disaster will come near your tent.
For he will command his angels concerning you to guard you in all your ways;
Tobit 12:12 the Archangel Raphael said to Tobias, “So now when you and Sarah prayed, it was I who brought and read the record of your prayer before the glory of the Lord, and likewise whenever you would bury the dead.”
Tobit 12: 14b-16 we read further, “And at the same time God sent me to heal you and Sarah your daughter-in-law. I am Raphael, one of the seven angels who stand ready and enter before the glory of the Lord. The two of them were shaken; they fell face down, for they were afraid.”