The word “salvation” refers to an eternal, spiritual deliverance. Paul in the New Testament told the Philippian jailer what he had to do to be saved, he was referring to the jailer’s eternal destiny, his life after certain death (Acts 16:30-31). Jesus similarly equated being saved with entering the kingdom of God (Matthew 19:24-25) (KJV) (Svigel, Holsteen 2015).
Salvation or being saved leads to the question of