﴿ وَرَأَيْتَ ٱلنَّاسَ يَدْخُلُونَ فِى دِينِ ٱللَّهِ أَفْوَاجًۭا ﴾

“and thou seest people enter God's religion in hosts,”

And thou seest mankind) the people of Yemen and others (entering the religion of Allah) Islam (in troops) entire groups at a time, when this happens, know that you will die.