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 am no longer a member of this church.I do not need your permission, nor do I care whether or not you agree with my decision. "Signed,. How to write a church resignation letter Use the appropriate salutation. Create and write an official letter to announce your departure from a church. Download finished copies as PDFs. Church members should exercise graciousness and courtesy in leaving a church. Communicate respectfully with the pastor about your decision to leave. How to Resign from Your Church Request meeting with the pastor. I did leave, and am now in a new place much better for me.