These brothers, in turn, take the lead in training individual Witnesses of Jehovah in their respective congregations.
١٥ بِأَيَّةِ طَرِيقَتَيْنِ يُحَافَظُ عَلَى نَقَاوَةِ ٱلْجَمَاعَةِ ٱلْمَسِيحِيَّةِ ؟‏