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,. Easily withdraw your membership from a church with our free Church Membership Withdrawal Letter Template. I wish to bring to your attention a matter of personal significance- my decision to end my membership with our church.