Saul was afraid of David, because Yahweh was with him, and was departed from Saul.
TSK
TSK · Acts 5:17
Treasury of Scripture Knowledge references in WEB.
Why do the nations rage, and the peoples plot a vain thing?
Wrath is cruel, and anger is overwhelming; but who is able to stand before jealousy?
For he knew that because of envy they had delivered him up.
But the chief priests conspired to put Lazarus to death also,
As they spoke to the people, the priests and the captain of the temple and the Sadducees came to them,
The kings of the earth take a stand, and the rulers take council together, against the Lord, and against his Christ.'
But when the Jews saw the multitudes, they were filled with jealousy, and contradicted the things which were spoken by Paul, and blasphemed.
But the unpersuaded Jews took along some wicked men from the marketplace, and gathering a crowd, set the city in an uproar. Assaulting the house of Jason, they sought to bring them out to the people.
envyings, murders, drunkenness, orgies, and things like these; of which I forewarn you, even as I also forewarned you, that those who practice such things will not inherit the Kingdom of God.
Or do you think that the Scripture says in vain, "The Spirit who lives in us yearns jealously"?