Complex sentence: When the Shay, fleeing the Masters of Emer, arrive, they are subjugated by the Zori an transformed into a serving underclass that become locally known as the Jameri.
Split into simpler sentences: When the Shay, fleeing the Masters of Emer, arrive, they are subjugated by the Zori. The Shay are eventually transformed into a serving underclass known as the Jameri.