"The lowborn can be somewhat rebellious at times in other worlds, but my House has made very sure that the serving caste on Torus stays serving." Lord Camden flashes a quick grin. "I've heard you do not know our ways. Let me enlighten you, my lady. You are expected to treat those with higher blood with reverence, but that is not a problem for you. The only good you are forbidden to trade are chainborn. Only the House of Chains has the sole right to breed and sell chainborn.
There are five castes: the chainborn, slaves who know nothing but loyalty and service. They have the least human ancestry in them, and sometimes you can't tell the difference. Then comes the lowborn. They are, essentially, slaves without collars. The halfborn are next. They make up most of the knights and lesser lords. Us highborn are priveleged. We own planets and command nations. The pureborn are the most powerful. Only the royal family and the High Houses can call themselves pureborn, and so can you."
You ask Lord Camden if he can show you the ropes. "Of course. I can offer you advice when you require. The prince, however, forbid me to aid you by giving you money, men, or materials." You ask him why. "He wants to test you. Noble children are taught to rule the day they can talk. You forgot even your name. This is your training, per se."
You say that serve you in mutual friendship. "Why of course! There is othing I'd like more." He keeps his eyes on you at all times, maybe studying you. "Anything else, my lady?"