The Open Brethren is a Christian movement that emerged in the early 19th century, primarily in the United Kingdom. It is characterized by its emphasis on the priesthood of all believers, meaning that every member can participate in worship and ministry without a formal clergy. The movement values simplicity in worship and often meets in homes or informal settings rather than traditional church buildings. Open Brethren congregations are known for their commitment to the Bible and often practice open communion, allowing all believers to partake in the Lord's Supper. They are part of the broader Brethren movement, which includes other groups like the Plymouth Brethren. The Open Brethren focus on evangelism and community service, reflecting their belief in living out the teachings of Jesus Christ.