What does Revelation 3:5 mean?
In this verse Jesus extends three promises to every faithful believer at Sardis. First, He will grant Him white garments. Roman officials customarily wore white clothing at religious festivals as symbols of high honor. White clothing that is given to the faithful represents not only honor but also purity and righteousness. Isaiah wrote, "I will greatly rejoice in the LORD; my soul shall exult in my God, for He has clothed me with the garments of salvation; He has covered me with the robe of righteousness" (Isaiah 61:10).Second, Jesus promises that He will not blot the faithful believer's name out of the book of life. While some individuals think this statement implies that a believer may lose His salvation, it simply means the conqueror—the "overcomer"—can be secure knowing their name will never be erased. Every born-again person has eternal life that will be His divinely given possession forever (John 5:24; 6:35–37, 6:39; 10:28–29; Romans 8:1).
Third, Jesus assures the faithful believer that He will confess His name before His Father and the angels. In a public ceremony in heaven, Jesus will acknowledge that these overcoming, enduring, faithful "conquerors" belong to Him.