>>592400
yes, Orthodox, Roman Catholics, and several Protestants believe that all baptized Christians have a guardian angel.
Psalm 91:11
For he will command his angels concerning you to guard you in all your ways.
Matthew 18:10
“See that you do not despise one of these little ones. For I tell you that in heaven their angels always see the face of my Father who is in heaven
Acts 12:12-15
12 When this had dawned on him, he went to the house of Mary the mother of John, also called Mark, where many people had gathered and were praying. 13 Peter knocked at the outer entrance, and a servant named Rhoda came to answer the door. 14 When she recognized Peter’s voice, she was so overjoyed she ran back without opening it and exclaimed, “Peter is at the door!”
15 “You’re out of your mind,” they told her. When she kept insisting that it was so, they said, “It must be his angel.”