Accept those whose faith is weak, without quarreling over disputable matters. (NIV)

AS FOR the man who is a weak believer, welcome him [into your fellowship], but not to criticize his opinions or pass judgment on his scruples or perplex him with discussions. (AMP)

Him that is weak in the faith receive ye, but not to doubtful disputations. (KJV)

Paul came to Derbe and then to Lystra, where a disciple named Timothy lived, whose mother was Jewish and a believer but whose father was a Greek. (NIV)

AND [Paul] went down to Derbe and also to Lystra. A disciple named Timothy was there, the son of a Jewish woman who was a believer [she had become convinced that Jesus is the Messiah and the Author of eternal salvation, and yielded obedience to Him]; but [Timothy's] father was a Greek. (AMP)

Then came he to Derbe and Lystra: and, behold, a certain disciple was there, named Timotheus, the son of a certain woman, which was a Jewess, and believed; but his father was a Greek: (KJV)

If any one of you has material possessions and sees a brother or sister in need but has no pity on them, how can the love of God be in you? (NIV)

But if anyone has this world's goods (resources for sustaining life) and sees his brother and fellow believer in need, yet closes his heart of compassion against him, how can the love of God live and remain in him? (AMP)

But whoso hath this world's good, and seeth his brother have need, and shutteth up his bowels of compassion from him, how dwelleth the love of God in him? (KJV)

If we say we love God yet hate a brother or sister, we are liars. For if we do not love a fellow believer, whom we have seen, we cannot love God, whom we have not seen. (NIV)

If anyone says, I love God, and hates (detests, abominates) his brother [in Christ], he is a liar; for he who does not love his brother, whom he has seen, cannot love God, Whom he has not seen. (AMP)

If a man say, I love God, and hateth his brother, he is a liar: for he that loveth not his brother whom he hath seen, how can he love God whom he hath not seen? (KJV)

If you see any brother or sister commit a sin that does not lead to death, you should pray and God will give them life. I refer to those whose sin does not lead to death. There is a sin that leads to death. I am not saying that you should pray about that. (NIV)

If anyone sees his brother [believer] committing a sin that does not [lead to] death (the extinguishing of life), he will pray and [God] will give him life [yes, He will grant life to all those whose sin is not one leading to death]. There is a sin [that leads] to death; I do not say that one should pray for that. (AMP)

If any man see his brother sin a sin which is not unto death, he shall ask, and he shall give him life for them that sin not unto death. There is a sin unto death: I do not say that he shall pray for it. (KJV)

In the name of the Lord Jesus Christ, we command you, brothers and sisters, to keep away from every believer who is idle and disruptive and does not live according to the teaching you received from us. (NIV)

Now we charge you, brethren, in the name and on the authority of our Lord Jesus Christ (the Messiah) that you withdraw and keep away from every brother (fellow believer) who is slack in the performance of duty and is disorderly, living as a shirker and not walking in accord with the traditions and instructions that you have received from us. (AMP)

Now we command you, brethren, in the name of our Lord Jesus Christ, that ye withdraw yourselves from every brother that walketh disorderly, and not after the tradition which he received of us. (KJV)

Anyone who hates a fellow believer is a murderer, and you know that no murderers have eternal life in them. (NIV)

Anyone who hates (abominates, detests) his brother [in Christ] is [at heart] a murderer, and you know that no murderer has eternal life abiding (persevering) within him. (AMP)

Whosoever hateth his brother is a murderer: and ye know that no murderer hath eternal life abiding in him. (KJV)

Those who love their fellow believers live in the light, and there is nothing in them to make them stumble. (NIV)

Whoever loves his brother [believer] abides (lives) in the Light, and in It or in him there is no occasion for stumbling or cause for error or sin. (AMP)

He that loveth his brother abideth in the light, and there is none occasion of stumbling in him. (KJV)

And if a woman has a husband who is not a believer and he is willing to live with her, she must not divorce him. (NIV)

And if any woman has an unbelieving husband and he consents to live with her, she should not leave or divorce him. (AMP)

And the woman which hath an husband that believeth not, and if he be pleased to dwell with her, let her not leave him. (KJV)

But those who hate a fellow believer are in the darkness and walk around in the darkness; they do not know where they are going, because the darkness has blinded them. (NIV)

But he who hates (detests, despises) his brother [in Christ] is in darkness and walking (living) in the dark; he is straying and does not perceive or know where he is going, because the darkness has blinded his eyes. (AMP)

But he that hateth his brother is in darkness, and walketh in darkness, and knoweth not whither he goeth, because that darkness hath blinded his eyes. (KJV)