Why is it necessary to be part of a local church?

The local church is designed for believers to come together in fellowship, mutual edification, and to ensure that the ordinances, such as baptism and the Lord's Supper, are observed correctly. It is a place of service and teaching where believers can grow in their faith and fulfill their calling. Without being part of a local congregation, individuals may lack the necessary support, guidance, and biblical instruction that the church provides, which is vital for a healthy Christian life.