Quraish

بِسْمِ ٱللَّهِ ٱلرَّحْمَـٰنِ ٱلرَّحِيمِ لِإِيلَـٰفِ قُرَيْشٍ

For the accustomed security of the Quraysh[1996] -

Note [1996] i.e., the honor and reputation Allāh had given them as guardians of the Holy Kaʿbah, which allowed them to travel without fear of being harmed.

إِۦلَـٰفِهِمْ رِحْلَةَ ٱلشِّتَآءِ وَٱلصَّيْفِ

Their accustomed security [in] the caravan of winter and summer[1997] -

Note [1997] i.e., the trading caravans that traveled south in winter and north in summer.

فَلْيَعْبُدُوا۟ رَبَّ هَـٰذَا ٱلْبَيْتِ

Let them worship the Lord of this House,[1998]

Note [1998] i.e., the Kaʿbah.

ٱلَّذِىٓ أَطْعَمَهُم مِّن جُوعٍ وَءَامَنَهُم مِّنْ خَوْفٍۭ

Who has fed them, [saving them] from hunger and made them safe, [saving them] from fear.