 What is true about the world these characters live in?
And, what was more important, why she couldn't adjust herself to it, now that she was in. From the born mechanic and the man with the gift of gab, society evolved to the point of smaller contact and less communication between the specializations, until now they could understand each other on only the most basic physical necessities—and not even always then. When you're in it, you don't much care what it is called; it is a place for punishment. It was a community of its own, an enclave within the larger city-state that was the Jug.
 People are segregated by career, and not allowed to mingle with other groups or switch jobs.
 They all live under the impression they can only perform one job for their whole life.  People are segregated by career, and it's incredibly difficult for them to meet other groups and switch jobs.  People are segregated by career, and not allowed to mingle with other groups or switch jobs.  People have evolved to only be capable of one "specialization" through their lives.