 Andrew Mason has offered an argument for the duty of special concern for the well-being of compatriots based on the value embodied in our relationship to compatriots, that of common citizenship. By “citizenship” he does not mean mere legal status, but takes the term in a moral sense, which involves equal standing. Citizenship in this sense is an intrinsically valuable relationship, and grounds certain special duties fellow citizens have to one another. Now citizenship obviously has considerable instrumental value; but how is it valuable in itself?