That same person also is said to have said this:
Jesus remembers being with the Father before the world began. Liar, lunatic, or Lord?
What a ridiculous statement! Do you want me to tell you why this is so absurd?
I wonder, have you considered that this verse 17:5 is not the only verse spoken by Jesus as he prayed to his Father before he literally moved across from the Kidron Valley, one physical boundary of King David's city to the Mt of Olives to the Garden (John 18:1).
Jesus prayed to his Father, who is God, as a human being, not as a deity or a pre-existent deity - verse 1. Jesus said the time had come to glorify him, as a human being so he could then glorify his Father as a result of his God giving him this immortality, for the first time.
So Jesus is saying that this glorification shall then give glorification or everlasting life to others, as he was already given authority to give this immortality to other human beings, those that even do/did not exit yet. - verse 2 He just need to be given his own eternal life first.
Verse 3 sets the foundation or identifies who is Jesus and his Father, and others who shall also be glorified with eternal life, in the future.
Verse 4 - Jesus reminds his Father that all the work of all kinds, words, gestures, the many miracles, etc., he did as commanded, and he gave his Father all the glory or credit that made it all possible. As a human being, Jesus could do none of this work.
Verse 5 - Now Jesus, the human being, because of his work and the time of his death approaching, and for sake of other human beings, he needed/ wanted to be glorified along with his Father, as his Father spoke of him doing, or gaining eternal life as prophecy in the OT. Jesus knew the OT very well to know this glorification with immortal life was part of his Father's plan for the salvation of mankind, since the world was created.
If Jesus was speaking of the exact same glorification, as when he somehow pre-existed as a deity, and possessed it previously, and now waits to re-acquire these superpowers once again, then what is the point of this entire prayer to his Father, and for us human beings as he spoke of for their glorification later in the Chapter that I have not even focused on yet?!
If you, without qualification make this incredible remark inferring that Jesus the human being was once a deity or still one incognito, then you deny Jesus ever being human, since his feet walked this earth, and truthfully you are also saying the human Jesus did nothing at all in his role and agent of his Father, who is God, to become our savour and lord.
You have denied that the Son of God is human and was born a human being. You have made him into a deity as if your so-called god-head had a super-deity prayer session between god the son and god the Father, and who knows where the god the holy spirit is located all this time. And then for who's benefit or edification; for the sake of the word of God, for the one true God and his Son....this type of statement you have made is at least intellectually irresponsible and really stupid!
So which are you, Liar, lunatic, or Lord? Or more that one or 'other'?