Matthew 18:15

And if thy brother trespass against thee, go and expostulate with him alone; if he hearken to thee, thou hast gained thy brother:

1 Corinthians 9:19-21

For though I am free from all, yet I have made myself a servant to all, that I might gain the more.

Colossians 3:13

bearing with one another, and forgiving one another, if any one has a complaint against any: even as Christ hath forgiven you, so also do ye.

James 5:19-20

Brethren, if any among you be seduced from the truth, and one convert him;

1 Peter 3:1

Ye women likewise, be subject to your own husbands, that if any believe not the word, they may yet without the word be gained over by the deportment of the wives,

Matthew 18:35

Thus will my heavenly Father do also unto you, if ye forgive not every one his brother from your hearts their trespasses.

Luke 17:3-4

Take heed to yourselves: if thy brother trespass against thee, rebuke him; and if he repent, forgive him.

Romans 12:21

Be not overcome by evil, but overcome evil with good.

1 Corinthians 6:6-8

But one brother goeth to law with another, and this before infidels.

1 Corinthians 8:12

But in thus sinning against your brethren, and wounding their weak conscience, ye sin against Christ:

2 Corinthians 7:12

Wherefore if I wrote in such a manner to you, it was not merely on his account who had done the wrong, nor for his sake who had been injured; but that our care for you in the sight of God might be manifested among you.

Galatians 6:1

Brethren, if a man be overtaken in any fault, do ye, who are spiritual, restore such a one in the spirit of meekness; considering thyself, least thou also shouldst be tempted.

1 Thessalonians 4:6

That no one over-reach, or wrong his brother in any thing: because the Lord is an avenger of all such crimes, as we also told you before, and testified to you.

2 Thessalonians 3:15

However do not look upon him as an enemy, but admonish him as a brother.

Treasury of Scripture Knowledge

Summary

Moreover if thy brother shall trespass against thee, go and tell him his fault between thee and him alone: if he shall hear thee, thou hast gained thy brother.

Bible References

If

Matthew 18:35
Thus will my heavenly Father do also unto you, if ye forgive not every one his brother from your hearts their trespasses.
Luke 17:3
Take heed to yourselves: if thy brother trespass against thee, rebuke him; and if he repent, forgive him.
1 Corinthians 6:6
But one brother goeth to law with another, and this before infidels.
1 Corinthians 8:12
But in thus sinning against your brethren, and wounding their weak conscience, ye sin against Christ:
2 Corinthians 7:12
Wherefore if I wrote in such a manner to you, it was not merely on his account who had done the wrong, nor for his sake who had been injured; but that our care for you in the sight of God might be manifested among you.
Colossians 3:13
bearing with one another, and forgiving one another, if any one has a complaint against any: even as Christ hath forgiven you, so also do ye.
1 Thessalonians 4:6
That no one over-reach, or wrong his brother in any thing: because the Lord is an avenger of all such crimes, as we also told you before, and testified to you.

Thou hast

Romans 12:21
Be not overcome by evil, but overcome evil with good.
1 Corinthians 9:19
For though I am free from all, yet I have made myself a servant to all, that I might gain the more.
James 5:19
Brethren, if any among you be seduced from the truth, and one convert him;
1 Peter 3:1
Ye women likewise, be subject to your own husbands, that if any believe not the word, they may yet without the word be gained over by the deportment of the wives,