They do so by their way of life and by having a zealous share in the disciple - making work.
وَيَظْهَرُ ذٰلِكَ مِنْ خِلَالِ نَمَطِ حَيَاتِهِمْ وَمُشَارَكَتِهِمِ ٱلْغَيُورَةِ فِي عَمَلِ ٱلتَّلْمَذَةِ .‏