This is a Morlock (H. G. Wells "The Time Machine") wearing a Star Trek: TNG movie era/Voyager captain's uniform. Because any race can join the United Federation of Planets.
Captain Nebonrufoh is a member of a highly advanced, peaceful race of Morlocks, from another universe, who built a Dyson Sphere around their Earth's sun. Nebon became permanently trapped in our universe after after a race known as the Unification, descended from his universe's Vulcans, Romulans, and Klingons, attacked the Morlock nursery on Earth with a trans-temporal weapon. Nebon's intense curiosity led him to join Starfleet. Being a descendant of the human race, he is considered by Starfleet to be Human. Captain Nebon currently serves as the commanding officer of the USS Hunley NCC-1863-B as it explores the star nurseries of the Perseus Arm of the Milky Way.