و كان تبع الملك أيضا ممن عرف النبي ص و انتظر خروجه لأنه قد وقع إليه خبره فعرفه أنه سيخرج من مكة نبي يكون مهاجرته إلى يثرب
Tubba the king (of Yemen) was among those who knew the Holy Prophet ﷺ and was in anticipation of his advent because he had received information about it. He knew that in the near future a prophet would arise in Mecca and migrated to Yathrib (Medina).
Commentary #1
و كان تبع الملك أيضا ممن عرف النبي ص و انتظر خروجه لأنه قد وقع إليه خبره فعرفه أنه سيخرج من مكة نبي يكون مهاجرته إلى يثرب
Tubba the king (of Yemen) was among those who knew the Holy Prophet ﷺ and was in anticipation of his advent because he had received information about it. He knew that in the near future a prophet would arise in Mecca and migrated to Yathrib (Medina).