delectus personae

noun | \ di-ˈlek-təs-pər-ˈsō-nē, dā-ˈlek-tu̇s-per-ˈsō-nī \ | de·lec·tus per·son·ae
  1. : the selection of a person satisfactory to oneself for a position (as of partner) involving trust and confidence in the other's character, capacities, or responsibility