'Offender' in the Bible

But if the man [who was wronged] has no redeemer (relative) to whom the restitution may be made, it is to be given to the Lord for the priest, besides the ram of atonement with which atonement is made for the offender.

Or if he struck his victim down [intentionally] with a wooden object in hand, which may cause a person to die, and he died, he is a murderer; the murderer shall certainly be put to death.