Write a long, nasty, mean-spirited letter to explain everything that they dislike about the church and articulate their own self-pity at length. Also, the elders may not be able to give you a letter of transfer or a good letter of standing to take to the next assembly.Church members should exercise graciousness and courtesy in leaving a church. Leaving a church can often be a complicated and painful process. Here are a few tips for how to leave a church gracefully. Customizing your Leaving a Church Letter is easy with Jotform Sign. The painting represents the scene of the Last Supper of Jesus with the Twelve Apostles, as it is told in the Gospel of John.