What is the rhetorical value of lahab appearing in the appellation and later description?

Supplementary Practice 23: Comparative Rhetorical Study of Sūrat al-Masad and al-Ikhlāṣ

• Lahab is a nominative subject in both places
• It proves the two words are unrelated in meaning
• It makes nāran genitive
• A lexical and semantic link joins the name to the fire imagery