Regardless of formal recognition of such, there is almost always a middle class in any successful society. Within the specific context of Ishgardian society the middle class would likely consist of lower-rung highborn and well-to-do lowborn.
V'aleera's Wiki - https://wiki.ffxiv-roleplayers.com/pages...eera_Lhuil
V'aleera's Tumblr - valeeralhuil.tumblr.com
V'aleera's Tumblr - valeeralhuil.tumblr.com