ἀνθρωποκτόνος

John 8:44 ἀνθρωποκτόνος a murderer

You belong to your father, the devil, and you want to carry out his desires. He was a murderer from the beginning, refusing to uphold the truth, because there is no truth in him. When he lies, he speaks his native language, because he is a liar and the father of lies.

1 John 3:15 ἀνθρωποκτόνος ἀνθρωποκτόνος a murderer, murderer

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