I also shook out the front of my garment and said, “So may God shake out every man from his house and from his possessions who does not keep this promise; like this may he be shaken out and emptied.” And all the assembly said, “Amen!” And they praised the Lord. Then the people acted in accordance with this promise.

and [we obligate ourselves] to bring the first fruits of our ground and the first fruits of all the fruit of every tree to the house of the Lord annually,

We will bring the first [and best] of our dough, our contributions, the fruit of every tree, the new wine and the [olive] oil to the priests, to the chambers of the house of our God, and the tithe of our ground to the Levites, for the Levites are the ones who receive the tithes in all the rural towns.