Nathan and Audrey Goodpaster both grew up in Christian homes and were saved at ages twelve and thirteen, respectively. Audrey was born to Bill and Karen Moran in Union City, Tennessee. She surrendered her life to full-time Christian service as a teenager at Shawnee Baptist Church in Louisville, Kentucky, where she grew up. Her father took a government job for three years in the Northern Mariana Islands which gave Audrey training on the mission field as a teenager. While on the island, her family started an independent Baptist church.
Nathan was born to Bruce and Carol Goodpaster in Lafayette, Indiana. At nineteen Nathan was called to preach while attending his first Youth Conference at the First Baptist Church of Hammond, Indiana. He surrendered to be a missionary while attending Hyles-Anderson College. Nathan served in the First Baptist Church of Hammond, Indiana, as a bus captain, bus driver, and Sunday school teacher.