Tyrion was a human being not a dwarf. Besides, we don't reference that show which was completely ruined.
Dwarf is a real term used historically for little people and the way it was imagined for GOT - and even in DnD, elves, dwarves, halflings, and gnomes are all technically humans because they can all produce successful offspring - they vary like Neanderthals and Denisovans differed from Cro-Magnon.
