Jehovah chooses others from among mankind to reign with Jesus and judge during that millennium - long day.
وَسَيَتَوَلَّى يَسُوعُ ٱلدَّيْنُونَةَ بِتَفْوِيضٍ مِنْ يَهْوَه بِصِفَتِهِ مَلِكَ مَلَكُوتِ ٱللهِ ،‏ وَلكِنَّهُ لَنْ يَكُونَ وَحْدَهُ .‏