Write a long, nasty, mean-spirited letter to explain everything that they dislike about the church and articulate their own self-pity at length. I did leave, and am now in a new place much better for me.Thank you, thank you, for all you've done, for your sweet heart for the Lord and for your neighbors. Be honest, be upfront, and be loving and gentle. Create and write an official letter to announce your departure from a church. Download finished copies as PDFs. What is a gracious way to leave the church? Dear Chairman Board of Elders,. I am writing to withdraw my membership from Grace Community Church. BOARD: MR. ANTHONY DAUNT Chair.