'Busy' in the Bible

But while your servant was busy here and there, he [escaped and] was gone.” And the king of Israel said to him, “Such is your own judgment (verdict); you have determined it.”

Afterward the Levites prepared for themselves and for the priests, because the priests, the sons of Aaron, were busy offering the burnt offerings and the fat until night; so the Levites prepared for themselves and for the priests, the sons of Aaron.

And I set my mind to seek and explore by [man’s] wisdom all [human activity] that has been done under heaven. It is a miserable business and a burdensome task which God has given the sons of men with which to be busy and distressed.

I have seen the task which God has given to the sons of men with which to occupy themselves.