Religious fathers (monks), brothers (friars) and sisters (nuns) are people who have chosen to dedicate themselves, their entire life and their property to God, and to live only for him. They live according to a (monastic) rule, and work inside or outside the walls of their monastery or convent.
Examples include the Missionaries of Charity (the congregation established by Mother Teresa), the Franciscans, the Jesuits and the Poor Clares. Each of these communities has a different approach. Some focus mainly on prayer, others work in schools or hospitals, or have assumed other tasks.
