A fine way to help someone struggling with feelings of inadequacy is to encourage him to focus on Jehovah instead of on himself.
(‏ ١ بط ٥ :‏ ​ ٦ ،‏ ٧‏ )‏ وَهذَا يَتَطَلَّبُ مُسَاعَدَةَ تِلْمِيذِنَا عَلَى ٱلنُّمُوِّ رُوحِيًّا .‏