King James Version
Or in enmity smite him with his hand, that he die: he that smote him shall surely be put to death; for he is a murderer: the revenger of blood shall slay the murderer, when he meeteth him.New International Version
or if in hostility he hits him with his fist so that he dies, that person shall be put to death; he is a murderer. The avenger of blood shall put the murderer to death when he meets him.Catholic Public Domain Version
or, while being his enemy, strikes him with his hand, and so he has died, the attacker shall be guilty of murder. The kinsman of the deceased, as soon as he finds him, shall cut his throat