'Voluntarily' in the Bible

but the seventh year you shall let it rest and lie uncultivated, so that the poor among your people may eat [what the land grows naturally]; whatever they leave the animals of the field may eat. You shall do the same with your vineyard and olive grove.

Jehoash said to the priests, “All the money for the dedicated things which is brought into the house of the Lord, in current money, both the money of each man’s assessment [for all those bound by vows], and all the money which any man’s heart prompts him to bring into the house (temple) of the Lord,

‘Then this shall be the sign [of these things] to you [Hezekiah]: this year you will eat what grows of itself, in the second year what springs up voluntarily, and in the third year sow and reap, plant vineyards, and eat their fruit.

I know also, my God, that You test the heart and delight in uprightness and integrity. In the uprightness of my heart I have willingly offered all these things. So now with joy I have seen Your people who are present here, make their offerings willingly and freely to You.

When the prince provides a freewill offering, a burnt offering, or peace offerings voluntarily to the Lord, the gate that faces east shall be opened for him, and he shall provide his burnt offering and his peace offerings as he does on the Sabbath day. Then he shall go out, and after he goes out the gate shall be shut.

No one takes it away from Me, but I lay it down voluntarily. I am authorized and have power to lay it down and to give it up, and I am authorized and have power to take it back. This command I have received from My Father.”

For I testify that according to their ability, and beyond their ability, they gave voluntarily,