For now let us look at the supererogation which would be contrasted with mutual aid. […] [T]here would be two fundamental types of supererogation. Supererogation 1 focuses on the same sorts of situations and the same sorts of aid covered by mutual aid, but removes the limit on the cost to the giver: […] Supererogation number 2 focuses not on situations where basic needs are threatened, but on well-being, […]