Godan verb with 'u' ending, Transitive verb
to rescue (someone); to save; to help (out of a difficulty); to relieve (from)
その犬は少女の命を救った。The dog saved the girl's life. to save (spiritually); to redeem (from sin); to deliver (from suffering, distress, etc.); to bring to salvation
Also written 済う【すくう】