Those Who Are Not a Christian's Friends

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1 John 1:3. " . . .you too may have fellowship with us. And this fellowship of ours is with the Father and with his Son Jesus Christ."
So, there is no fellowship with us true Christians except that those wanting such fellowship have met spiritual qualification for it through their being in real fellowship "with the Father and with the Son." There is no fellowship/relationship with the Father except that those wanting it also have fellowship with Jesus Christ, the Son of God.

1 John 2:22, 23. "Who is the liar but the one who denies that Jesus is the Christ? This is the antichrist, the one who denies the Father and the Son. Everyone who denies the Son does not have the Father either. But whoever acknowledges the Son has the Father also."

So, there is no such thing as a polity/nation of Jews who somehow have a fine relationship with the Father. How could there be such a thing for the Isreali state when it and its religious leaders give no recognition to the good news that Jesus Christ was sent from Heaven as the become-flesh, only-begotten Son of God? But the state of Israel's failure here is also the failure of all other nations that comprise this ungodly world of mankind, for all nations of the world have been misled by the Devil into opposing the Good News about Jesus Christ's heavenly government.

So, true Christians can have no spiritual fellowship/camaraderie with liars and antichrists as defined in 1 John 2:22, 23, regardless of whoever they are and whatever organizations they have forged.