The context suggests that David asked Jehovah to help him in the same way that He would help an individual who showed consideration to a lowly one.
(‏ ٢ صم ١٢ :‏ ٧ -‏ ١٤‏ )‏ لِذَا وَثِقَ أَنَّ إِلٰهَهُ سَيَدْعَمُهُ عَلَى فِرَاشِ ٱلْمَرَضِ .‏