“for what have I also to judge those outside? Do you not judge those within?”— 1 Corinthians 5:12 (LSV)
9I wrote to you in the letter, not to keep company with whoremongers—
10and certainly not with the whoremongers of this world, or with the covetous, or extortioners, or idolaters, seeing you ought then to go forth out of the world—
11and now, I wrote to you not to keep company with [him], if anyone, being named a brother, may be a whoremonger, or covetous, or an idolater, or a railer, or a drunkard, or an extortioner—do not even eat together with such a one;
12for what have I also to judge those outside? Do you not judge those within?
13And judge those without God; and put away the evil from among yourselves.