Imagine always having someone with you, like a bodyguard. Who will protect you from everything bad in the world, the spirit who is your guardian angel watches over us, and protects a certain person, place. or a group of people.
According to Christian religion every one of us is born with a Guardian Angel, they are with us when we are born, and stay with us through out our entire lives until the day we die. Greek philosophy also believes the same.
Everyone knows of the good angel and the bad angel on our shoulders right? Well we debate ourselves on decisions that may or may not be okay to do, but St Thomas has said to our Angels are to ward off evil decisions. Our Guardian angels Strength our spirit against temptation, embolden us, they will intervene to save us from any harm that comes are way, and they protect us from the day we are born.