Narrated Jabir:

On the day of Al-Ahzab (i.e. clans), Allah's Apostle ﷺ said, 'Who will bring us the news of the people (i.e. the clans of Quraish infidels)?" Az-Zubair said, "I." The Prophet again said, "Who will bring us the news of the people?" AzZubair said, "I." The Prophet again said, "Who will bring us the news of the people?" Az-Zubair said, "I." The Prophet then said, "Every prophet has his Hawari (i.e. disciple-special helper),
my disciple is Az-Zubair.

حَدَّثَنَا مُحَمَّدُ بْنُ كَثِيرٍ، أَخْبَرَنَا سُفْيَانُ، عَنِ ابْنِ الْمُنْكَدِرِ، قَالَ سَمِعْتُ جَابِرًا، يَقُولُ قَالَ رَسُولُ اللَّهِ ﷺ يَوْمَ الأَحْزَابِ " مَنْ يَأْتِينَا بِخَبَرِ الْقَوْمِ ". فَقَالَ الزُّبَيْرُ أَنَا. ثُمَّ قَالَ " مَنْ يَأْتِينَا بِخَبَرِ الْقَوْمِ ". فَقَالَ الزُّبَيْرُ أَنَا. ثُمَّ قَالَ " مَنْ يَأْتِينَا بِخَبَرِ الْقَوْمِ ". فَقَالَ الزُّبَيْرُ أَنَا. ثُمَّ قَالَ " إِنَّ لِكُلِّ نَبِيٍّ حَوَارِيًّا، وَإِنَّ حَوَارِيَّ الزُّبَيْرُ ".