In the Roman Catholic church, a member of any of the religious orders and congregations whose constitutions are based on the Rule of St. Augustine , including the Hospitallers ( Knights of Malta ) and the Dominican s.
The two main branches of the Augustinians, however, are the Augustinian Hermits and the Augustinian Canons. The former was one of the four great mendicant orders of the Middle Ages, and its members (including Reformation , but it continues missionary, educational, and hospital work. Other notable orders are the Augustinian Recollects (founded in the 16th century) and the Second Order of St. Augustine (1264) for nuns, both still active today.