A D-Group is a small group of 3-4 people of the same gender that meet together weekly for the purpose of putting sin to death and growing in holiness.
As Christians, we are commanded to exhort one another every day, as long as it is called today, so that none of us may be hardened by the deceitfulness of sin. -Hebrews 3:13
We are commanded to exhort one another because of the ever-present danger of being hardened by the deceitfulness of our own sin. We need other Christians in our life to exhort us with the Gospel to pursue holiness, lest we fall away from the living God.
Consider joining a Discipleship Group (D-Group) this Spring in order to develop the skill of proclaiming the Gospel first to yourself, then to other Christians, and of course, to the unbelieving world.