11 You may be sure that such people are warped and sinful; they are self-condemned.

11 knowing that such a person is warped and sinful; he is self-condemned.

11 For people like that have turned away from the truth, and their own sins condemn them.

11 knowing that such a person is warped and sinning, being self-condemned.

11 You can know that such people are evil and sinful; their own sins prove them wrong.

11 knowing that such a one is perverted, and sinneth, being self-condemned.

11 knowing that such a one is perverted, and sins, being self-condemned.

11 You know that people like this are corrupt. They are sinners condemned by their own actions. 

11 knowing that such a person is perverted and sins, being self-condemned.

11 since you know that such a person is perverted and sinful, being self-condemned.

11 knowing that such a person is perverted and is sinning, being self-condemned.

11 You can be sure that someone like that is twisted and sinful. His own actions judge him.

11 knowing that such a man is perverted and is sinning, being self-condemned.