'Deal' in the Bible

This Book of the Law shall not depart from your mouth, but you shall read [and meditate on] it day and night, so that you may be careful to do [everything] in accordance with all that is written in it; for then you will make your way prosperous, and then you will be successful.

So the men said to her, “Our lives for yours if you do not tell [anyone about] this business of ours; then when the Lord gives us the land we will show you kindness and faithfulness [and keep our agreement with you].”