OPTIONS: THEY…
1) DON’T REALLY KNOW GOD.
The man who says, "I know him," but does not do what he commands is a liar, and the truth is not in him.
"Not everyone who says to me, 'Lord, Lord,' will enter the kingdom of heaven, but only he who does the will of my Father who is in heaven.
* Love
* Pray
* Share

2) DON’T KNOW ANY BETTER YET.

Brothers, I could not address you as spiritual but as worldly-- mere infants in Christ.
Accept him whose faith is weak, without passing judgment on disputable matters.
3) KNOW BETTER AND STILL DISOBEY GOD.
Live as free men, but do not use your freedom as a cover-up for evil; live as servants of God.
For certain men… change the grace of our God into a license for immorality…
BIBLICAL DISCIPLINE
If your brother sins against you, go and show him his fault, just between the two of you. If he listens to you, you have won your brother over. But if he will not listen, take one or two others along, so that 'every matter may be established by the testi
1) We are to discipline believers.

2) We discipline face to face.

3) Take two or three to try to win him back.

4) Take it to the church.

5) Remove the person from the church.

(For further study, see also 1 Corinthians 5:1-5)

BE VERY CAREFUL
Brothers, if someone is caught in a sin, you who are spiritual should restore him gently. But watch yourself, or you also may be tempted.
My brothers, if one of you should wander from the truth and someone should bring him back, remember this: Whoever turns a sinner from the error of his way will save him from death and cover over a multitude of sins.

Matthew 1:0, Matthew 18:15-17, Romans 14:1, 1 Corinthians 3:1, Galatians 6:1, James 5:19-20, 1 Peter 2:16, 1 John 2:4 and Jude 1:4