I would not really say they are not Christian - only God can "judge" a person's heart...
I do believe however, they are mislead in how God wants us to treat one another......
Keeping it simple, the 2 great commandments are the (1) Love God and (2) Love Others
1 John 4: 7-8
Beloved, let us love one another, for love is from God, and whoever loves has been born of God and knows God. Anyone who does not love does not know God, because God is love.
This is about fellow believers, not those ignorant of God a.k.a secular, atheistic, worldly society:
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◄ 1 John 4:7
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Beloved, let us love one another: for love is of God; and every one that loves is born of God, and knows God.
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EXPOSITORY (ENGLISH BIBLE)
Ellicott's Commentary for English Readers
(7) THE PERFECT LOVE THE SUREST TEST (
1John 4:7-21).
(a)Fraternal love the necessary product of the true knowledge of God, because God is love (
1John 4:7-8).
(b)The grand recent historical exhibition of God’s love (
1John 4:9-10).
(c)Our consequent duty (
1John 4:11).
(d)God’s abode in us, the perfecting of His love in us, and the proof of His presence through the Spirit, are the equivalent for seeing Him(
1John 4:12-13).
(e)All this is grounded on the strong, undeniable truth of the Apostolic witness to Christ (
1John 4:14-16).
(f)The fearlessness which is the result of perfect love (
1John 4:17-18).
(g)The cause of our love to God, and the necessary connection of that love with love to our fellows(
1John 4:19-21).
True, but I am sure that God wants us to love unbelievers as well, otherwise, how will they see Christ in us?
Remember the story of the good Samaritan.
The knowledge of God IS love according to the scriptures. So telling someone they are sinning against God is love. You are confusing the worldly idea of love with what the bible says is the ultimate love.
2 Corinthians 6:14-16. Be not unequally yoked with unbelievers— Christians with Jews or heathen, godly persons with the ungodly, spiritual with such as are carnal. The apostle particularly speaks of marriage; but the reasons he urges equally hold against any needless intimacy or society with them. Of the five questions that follow, the three former contain the argument, the two latter the conclusion. For what fellowship hath righteousness with unrighteousness — The righteous can have no profitable, agreeable, or comfortable society or converse with the unrighteous.What communion hath light — That is, the state of light and knowledge, into which you are brought by divine mercy; with darkness — That deplorable state of ignorance and folly, vice and misery, in which they continue to be lost? And what concord hath Christ — Whom you serve; with Belial — To whom they belong, and who reigns in all the children of disobedience? Or what part — In time or in eternity; hath he that believeth — In Christ and his gospel, and who is a true, genuine disciple of Christ; with an infidel —
Or an infidel with a believer? The union is surely, at the first view of it, too unnatural to be either agreeable, safe, or lasting. And what agreement hath the temple of God with idols — Which would by this means be, as it were, erected in it? If God would not endure idols in any part of the land where he dwelt, how much less under his own roof? He does not say, with the temple of idols; for idols do not dwell in their worshippers. This is a proper question, and a just view in which to place the matter; for ye— As a church, and as individuals;are the temple of the living God.See on
Romans 8:9. As God hath said — To his ancient Church, and in them to all his Israel, in all ages;I will dwell in them — The force of the original expression cannot easily be equalled in any translation; ενοικησω εν αυτοις. The words, I will inhabit in them, orI will take up my indwelling in them, would nearly, though inelegantly, express the sense:and walk in them — The former expression signifies his perpetual presence; this latter, his operation. And I will be their God — In the fullest sense; manifesting my favour to them, communicating my Spirit, stamping them with mine image, and vouchsafing them communion with myself, in time and in eternity. And they shall be my people — Whom I will direct and govern, protect and save, here and hereafter. The sum this of the whole gospel covenant.