On a neighboring planet the most superior nation is projecting to establish ambassadorial relations with surrounding nations.  Primitive peace treaties consisted in “blood bonds”, in which ambassadors sucked each other’s blood.  Sending ambassadors dates from Adam; great step forward. 
Ambassadors are appointed by judicial decree and represent universes to other universes.  Melchizedeks serve as ambassadors to other universes.  The superuniverses do not maintain any sort of ambassadorial representation; they are completely isolated from each other.  Solitary Messengers serve as temporary ambassadors.  The Paradise Spiritual Sons, upon certification they may become spiritual ambassadors representing the local universes of their service.  Vorondadeks serve as ambassadors to other universes.