More then half of the people living in the United States, and millions of people around the world, believe in the existence of Angels. Angel lore and beliefs are part of the world's religions , and figure greatly in the Christianity, Judaism, and Islam. The word 'angel" comes from the Greek word "angelos", meaning messenger, which is what most people believe is a primary role of angels. In addition, angels are believed to serve as guardians, guides, comforters, teachers, healers-even worriers. Although these spiritual beings have no specific gender, they are most often referred to as "he".