[BlKnight]

Why should all dustari farmers need to wear say the standard brown suit? Or merchants a white suit and a special hat? Why should all forest elves wear green and a robin hood hat for example?

Let's think about it:
Is your idea realistic? Not at all
Does it benefit the game in any way? Not unless you are blind and can't see the person rank besides the name.

It should be the kings decision, simple as that. If he wants a certain group of people to wear certain clothes that fine. We don't need to have a built in system in which all say counsellors look a certain way.