'Ransom' in the Bible

You are to pay a ransom for the 273 first-born Israelis who exceed the census number of the descendants of Levi,

Then give the money meant for ransom of their excess to Aaron and his sons."

So Moses took the ransom money to account for the difference in the total number of those redeemed by the descendants of Levi.

Moses gave the ransom money to Aaron and his sons according to the LORD's instructions, just as the LORD had commanded Moses.

every one opening a womb of all flesh which they bring near to Jehovah, among man and among beast, is thine; only, thou dost certainly ransom the first-born of man, and the firstling of the unclean beast thou dost ransom.

And their ransomed ones from a son of a month, thou dost ransom with thy valuation, of silver, five shekels, by the shekel of the sanctuary, twenty gerahs it is.

Only, the firstling of a cow, or the firstling of a sheep, or the firstling of a goat, thou dost not ransom, holy they are: their blood thou dost sprinkle on the altar, and of their fat thou makest perfume, a fire-offering of sweet fragrance to Jehovah,

You are not to accept a ransom for the life of a murderer who is guilty of killing someone; he must be put to death.

Neither should you accept a ransom for the person who flees to his city of refuge, allowing him to return and live in the land before the death of the high priest.