Some additional questions: Were there any battles or skirmishes during that time the cataphracts were deployed in? How did social status factor in to their treatment, like nobles and peasants, or legitimate sons vs illegitimate? What was their training like? What was the youngest a cataphract could be? What was the process for taking temporary leave or permanently retiring from the military like? What did they think of European knights, and vice versa?
What do you mean by "cataphract"? Cataphract was a type heavy armored cavalryman, regardless of what he was actually doing. By being a cataphract one could be:
Obviouslty, daily life for any of these types would differ significantly.