Over 90% of the Empire's population is Teckla, forming its peasant class. Teckla that live in the cities work as servants and common laborers. They are treated as second-class citizens and assumed to be naturally inferior to members of the Noble Houses.
The text describes a social hierarchy in which Teckla, making up over 90% of the Empire's population, are treated as second-class citizens and considered inferior compared to members of Noble Houses.