Human is the most common species of Gloriana. They are as double high as Gnomes.
In Tarna the Liontaur fill nobility and warrior castes whilst humans and other beings are allocated the western side. These two groups generally have very strained relations, with the Liontaur having far greater quality of life and opportunity than the humans, who are subject to absolute Liontaur rule and conduct.
Humans could interbreed with magical beings like the Faerie Folk. Erana and Zara were such hybrids.