'Free will' in the Bible

and will make an offering by fire to Yahweh, a burnt offering, or a sacrifice, to accomplish a vow, or as a freewill offering, or in your set feasts, to make a pleasant aroma to Yahweh, of the herd, or of the flock;

"'You shall offer these to Yahweh in your set feasts, besides your vows, and your freewill offerings, for your burnt offerings, and for your meal offerings, and for your drink offerings, and for your peace offerings.'"