How does faith relate to being a brother of Christ?

In Romans 8:12-17, Paul emphasizes that those led by the Spirit of God are the children of God, thus making them part of the divine family. This familial relationship is a result of faith in Christ, who identifies believers as His brothers and sisters. This status is not earned through human efforts but is a consequence of God's grace, which leads to adoption into His family. Understanding this relationship is vital for Christians, as it assures them of their place in God’s covenant community and the love and acceptance that accompanies that status.