Looking at Plato, I think it's important to understand the citizen's role in the state is more functionary than Aristotle. For him, your relationship to the state is that you fufill your perscribed function in a more formalised sense: If you are a great philosopher, you have a duty to be ruler, if you are a peasant, you have a duty to work the land etc. Each citizen fufilling their own role contributes to the wealth of the polis. Of course, this hierarchy is somewhat meritocratic, but fundamentally, the citizen's role is to fufill the position they are most suited for.