GOD'S WORD® Translation
Everyone who hates another believer is a murderer, and you know that a murderer doesn't have eternal life.

American Standard Version
Whosoever hateth his brother is a murderer: and ye know that no murderer hath eternal life abiding in him.

Berean Study Bible
Everyone who hates his brother is a murderer, and you know that eternal life does not reside in a murderer.

Douay-Rheims Bible
Whosoever hateth his brother is a murderer. And you know that no murderer hath eternal life abiding in himself.

English Revised Version
Whosoever hateth his brother is a murderer: and ye know that no murderer hath eternal life abiding in him.

King James Bible
Whosoever hateth his brother is a murderer: and ye know that no murderer hath eternal life abiding in him.

World English Bible
Whoever hates his brother is a murderer, and you know that no murderer has eternal life remaining in him.

Young's Literal Translation
Every one who is hating his brother -- a man-killer he is, and ye have known that no man-killer hath life age-during in him remaining,

1 John 3:15 Additional Translations ...