While Saul chases David, his own son Jonathan does the opposite. Jonathan is the crown prince. By every earthly rule, David is his rival for the throne. Instead, Jonathan makes a covenant with him, hands over his own robe and weapons, and blesses the very man who will get the kingdom he was in line for.
That is one of the most beautiful pictures of friendship in the whole Bible. A secure man can lift someone else up without feeling erased. Jonathan gave away his claim so God's plan could stand, and it kept a whole nation from tearing itself apart. It quietly foreshadows the self giving love of Jesus, who laid down everything so we could be brought in.
The Robe Off His Own Back
Jonathan did not just tolerate David. He clothed him, armed him, and stood between David and his father's spear. Love that costs you something is the kind that actually holds a community together. That is the family business Jesus is still running today.