Jonathan even warned David when Saul wanted to kill him. After David fled, Jonathan met him and made a covenant with him.
(‏ ام ١٧ :‏ ١٧‏ )‏ لَقَدْ رَبَطَتْ صَدَاقَةٌ حَمِيمَةٌ بَيْنَ دَاوُدَ وَيُونَاثَانَ ٱبْنِ ٱلْمَلِكِ شَاوُلَ .‏