'Voluntary' in the Bible

The children of Israel brought a voluntary offering to Jehovah, every man and woman whose heart prompted them to bring for all manner of work, which Jehovah, by the hand of Moses, had commanded to be done.

And they took from Moses every heave-offering that the children of Israel had brought for the work of the service of the sanctuary, to make it. And they still brought him voluntary offerings morning by morning.

And if the sacrifice of his offering be a vow, or voluntary, it shall be eaten the same day that he presented his sacrifice; on the morrow also the remainder of it shall be eaten;

Speak unto Aaron, and to his sons, and unto all the children of Israel, and say unto them, Whatever man of the house of Israel, or of the sojourners in Israel, that presenteth his offering for any of his vows, and for any of his voluntary offerings, which they present to Jehovah as a burnt-offering,

And if any present a sacrifice of peace-offering to Jehovah to accomplish a vow, or a voluntary offering of oxen or small cattle, it shall be without blemish to be accepted: there shall be no defect therein.

A bullock and a sheep that hath a member too long or too short, that mayest thou offer as a voluntary offering; but as a vow it shall not be accepted.

besides the sabbaths of Jehovah, and besides your gifts, and besides all your vows, and besides all your voluntary offerings, which ye give to Jehovah.

and will make an offering by fire to Jehovah, a burnt-offering or a sacrifice for the performance of a vow, or as a voluntary offering, or in your set feasts, to make a sweet odour to Jehovah, of the herd or of the flock,

And his princes gave a voluntary heave-offering for the people, for the priests, and for the Levites: Hilkijah and Zechariah and Jehiel, rulers of the house of God, gave to the priests for the passover-offerings two thousand six hundred small cattle and three hundred oxen;

And whosoever remains in any place where he sojourns, let the men of his place help him with silver, and with gold, and with goods, and with beasts, besides the voluntary offering for the house of God which is at Jerusalem.

and afterwards the continual burnt-offering, and those of the new moons, and of all the set feasts of Jehovah that were consecrated, and of every one that willingly offered a voluntary offering to Jehovah.

and all the silver and gold that thou canst find in all the province of Babylon, besides the voluntary offering of the people, and of the priests, who offer willingly for the house of their God which is at Jerusalem.

And I said to them, Ye are holy unto Jehovah; the vessels also are holy; and the silver and the gold is a voluntary offering to Jehovah the God of your fathers.

And when the prince shall offer a voluntary burnt-offering or voluntary peace-offerings unto Jehovah, the gate that looketh toward the east shall be opened for him and he shall offer his burnt-offering and his peace-offerings as he did on the sabbath-day, and he shall go out again, and the gate shall be shut after he hath gone out.

and burn a thank-offering with leaven, and proclaim, publish, voluntary offerings: for this pleaseth you, children of Israel, saith the Lord Jehovah.

(which have indeed an appearance of wisdom in voluntary worship, and humility, and harsh treatment of the body, not in a certain honour,) to the satisfaction of the flesh.