The idea that particular angel is assigned to each person or believer was popular during the medieval era but suffered under the theological housecleaning of the Reformation. Only one distant reference to the possibility occurs in Matthew 18:10.
Angels are God’s servants to assist in achieving God’s will, chiefly in communicating the gospel. Angels appear throughout the Bible to help people in trouble (Acts 5:19) and to assist the church (Acts 10:3).
Today we cannot know whether that close call averted was the result of angelic intervention, but we are reminded not to dismiss or disregard the work of angels (Hebrews 13:2). You may not have a particular angel assigned to your case, but a sovereign God knows your needs and meets them in His own way-sometimes, The Bible leads us to believe, though the work of angels.
PSALM 91:11 –11 For he shall give his angels charge over thee, to keep thee in all thy ways.