Advantages to the Christian of having Non denominational church memberships? Churches in Harrisburg, PA serve many different roles for people today. They’re a place of religious authority, a Sunday tradition, and a home for individuals to come and worship. For many, a major part of the church is the community it offers – and having a solid church membership put up only allows you to make that feeling stronger. Safety net Elder protection Others are committed to you It commits you, the Christian They give a clearer picture of Christ. They teach about the incredible power of God They remove excuses for not trusting in Christ They give non-Christians a clearer picture of the Christian life.