Savior (or Saviour) refers to a someone who has saved another from danger. It can also refer to someone who has helped people achieve Salvation. Many religions have a Savior, though the way they use the idea varies.
Christianity's savior is Jesus, the Christ.(Gospel of Matthew 1:21) In Judaism, Jesus is not considered a savior. They believe that the Messiah, their own concept of a savior, has not yet come[source?]. In Islam, their savior is Mahdi[source?]. In Hinduism, Shiva, Vishnu, and Devi are referred to as saviors.[source?]