The Seventh-day Adventist Church is a mainstream Protestant church with approximately 19 million members worldwide, including more than one million members in North America. The Seventh-day Adventist Church seeks to enhance quality of life for people everywhere and to let people know that Jesus is coming again soon. Adventists believe a Trinity of three persons—the Father, the Son, and the Holy Spirit—make up one God. They made salvation possible when Jesus, the Son, came to earth as a baby i...