Noble -> Slave -> ???
Everything started when she was five years old.
She was the first daughter of an earl family, living in a country region next to that one centered around Panpolis.
Her status was usually defined as 'second class nobles'.
This was the nature of Ouroboros' human society: going up when and however necessary, and when not possible, dragging down those of your same level.
That was the principle behind the discriminatory actions of Panpolis' aristocrats.
Surviving and striving in that damned place and managing becoming nobles was simultaneously reason for pride and mockery of those bumpkins, which achieved the same title, but in better conditions.
On Earth, he could be compared to gamers completing the story with a Hard difficulty setting and then laughing at the newbs, deciding on the Easy option.
Obviously, the gravity of the situation was way beyond that level.