Theocratically, they perform the role that they have been assigned; they act on behalf of the whole congregation.
وَهُمْ يُشَكِّلُونَ ٱلْهَيْئَةَ ٱلْحَاكِمَةَ لِشُهُودِ يَهْوَه ،‏ وَيُشْرِفُونَ عَلَى عَمَلِ ٱلْمَلَكُوتِ وَبَرْنَامَجِ ٱلطَّعَامِ ٱلرُّوحِيِّ .‏