'Freewill Offering' in the Bible

And let every survivor, from wherever he {resides} be assisted by the men of that place with silver and gold, with possessions and domestic animals, and with the freewill offering for the house of God which is in Jerusalem."

And all of their neighbors {helped them} with objects of silver, gold, possessions, domestic animal , and with valuable gifts--besides all of [the] freewill offering.

When [some] of the heads of {families} came to the house of Yahweh that [is] in Jerusalem, they gave freewill offerings for the house of God to erect it on its place.

After [this, they presented] the daily sacrifice of burnt offerings, [the offerings] for the New Moon Festival, and for all of the appointed times consecrated for Yahweh and for all who gave a freewill offering to Yahweh.

and all of the silver and gold that you will find in the whole province of Babylonia, with the freewill offerings of the people and the priests giving willingly for the house of their God in Jerusalem.

And I said to them, "You are holy to Yahweh and the vessels are holy. The silver and gold are a freewill offering to Yahweh, God of your ancestors.