Quraysh

For the accustomed security of the Quraysh1 - Footnote - 1 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.

Their accustomed security [in] the caravan of winter and summer1 - Footnote - 1 i.e., the trading caravans that traveled south in winter and north in summer.

Let them worship the Lord of this House,1 Footnote - 1 i.e., the Kaʿbah.

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