Adjusted explanation: Jesus was not foretelling that a group of his anointed followers would make up a wicked slave class.
اَلشَّرْحُ ٱلْمُعَدَّلُ :‏ لَمْ يَكُنْ يَسُوعُ يُنْبِئُ أَنَّ فَرِيقًا مِنْ أَتْبَاعِهِ ٱلْمَمْسُوحِينَ سَيُشَكِّلُونَ صَفَّ عَبْدٍ شِرِّيرٍ .‏