Jesus requests the restoration of the full display of his eternal glory for the redeemed to behold forevermore.
The apostles are left behind by Jesus with a mission that continues for the church in all generations.
The people of God need the protection that only the Father can give through his Word.
The Son has been given His Father's words to give to His people, who are to receive and keep these words.
Jesus is praying for his own glory and for the sake of the Father's glory in giving eternal life to the redeemed.