Terrible sin

Terrible sin of incest in the church

1Cor. 5:1 "1 It is reported commonly that there is fornication among you, and such fornication as is not so much as named among the Gentiles, that one should have his father’s wife. 2 And ye are puffed up, and have not rather mourned, that he that hath done this deed might be taken away from among you."

1Cor. 5:11 "But now I have written unto you not to keep company, if any man that is called a brother be a fornicator, or covetous, or an idolater, or a railer, or a drunkard, or an extortioner; with such an one no not to eat."

not to keep company, nor even eat with them.... then

1Cor. 5:12, 13

"12 For what have I to do to judge them also that are without? do not ye judge them that are within? 13 But them that are without God judgeth. Therefore put away from among yourselves that wicked person."

Church dicipline is sometimes necessary

In this case to disfellowship him