They have been unwilling to make the decision to serve Jehovah or after serving him for a while have ceased doing so.
إِنَّ كَثِيرِينَ مِمَّنْ يَدْرُسُونَ ٱلْكِتَابَ ٱلْمُقَدَّسَ مَعَ شَعْبِ يَهْوَه يَتَوَقَّفُونَ عَنِ ٱلدَّرْسِ .‏