Priests are people who lead religious ceremonies and help people understand and follow the teachings of their religion. A priestly caste is a group of people who have had the same religious role for many generations. This group usually holds their position by birth or law, and their job is to keep religious traditions alive. Priests usually teach people about the beliefs of their religion and help them with their spiritual needs. They also usually lead ceremonies and services related to religious life, like weddings, baptisms, and funerals.