NIV: You may be sure that such people are warped and sinful; they are self-condemned.
NAS: knowing that such a man is perverted and is sinning, being self-condemned.
KJV: Knowing that he that is such is subverted, and sinneth, being condemned of himself.
GWT: You know that people like this are corrupt. They are sinners condemned by their own actions.
ASV: knowing that such a one is perverted, and sinneth, being self-condemned.
BBE: Clearly he is in error and a sinner, being self-judged.
DBY: knowing that such a one is perverted, and sins, being self-condemned.
DRB: Knowing that he, that is such an one, is subverted, and sinneth, being condemned by his own judgment.
WBS: Knowing that he who is such, is subverted, and sinneth, being condemned by himself.
WEB: knowing that such a one is perverted, and sins, being self-condemned.
YLT: having known that he hath been subverted who is such, and doth sin, being self-condemned.
Holy Bible, New International Version®, NIV® Copyright © 1973, 1978, 1984, 2011 by Biblica, Inc.® Used by permission. All rights reserved worldwide.
New American Standard Bible (NASB) Copyright © 1960, 1962, 1963, 1968, 1971, 1972, 1973, 1975, 1977, 1995 by The Lockman Foundation
GOD'S WORD Translation (GWT) Copyright © 1995 by God's Word to the Nations