«فَنَهَضَا وَلِلشَّيْخِ فَرْحَةُ الْمُطْلَقِ مِنَ الْإِسَارِ وَهَزَّةُ الْمُوسِرِ بَعْدَ الْإِعْسَارِ»
They rose, and the elder rejoiced like a prisoner set free or a poor man suddenly prospering.
Muṭlaq / isār evokes release from captivity; mūsir / iʿsār contrasts prosperity and hardship. Parallel imagery intensifies his delight.
His sudden joy begins the transition from judicial sympathy to the story’s comic revelation.