from. out of. Greek. ek, as in the former clause. the evil. the evil one. See on Matthew 6:13. Compare 1 John 5:19. Three things the Lord requested for His disciples: to be kept from the evil one, to be sanctified through the truth (John 17:17), and to behold His glory (John 17:24).
Related Commentaries of John 17:15
John 17:15
15 I pray not that thou shouldest take them out of the world, but that thou shouldest keep them from the evil.