3 Bible Verses about Warnings Of Evil Associations

I wrote you in my letter not to associate with immoral people;

Do not be yoked together with unbelievers. For what partnership have righteousness and lawlessness? Or what fellowship has light with darkness?

But actually, I wrote to you not to associate with any one who bears the name of brother if he is an immoral person, or greedy, or an idolater, or a reviler, or a drunkard, or a swindlernot even to eat with such a one.