Do not speak against one another, brothers and sisters. ¹  He who speaks against a fellow believer ²  or judges a fellow believer speaks against the law and judges the law. But if you judge the law, you are not a doer of the law but its judge. ³ 

Yet do it with courtesy and respect, ¹  keeping a good conscience, so that those who slander your good conduct in Christ may be put to shame when they accuse you. ² 

and maintain good conduct ¹  among the non-Christians, ²  so that though ³  they now malign you as wrongdoers, they may see your good deeds and glorify God when he appears. ⁴