Groups of Rominche are formed according to principles of territorial proximity, shared experiences, and economic Cooperation. Such groups are extremely flexible, and there is little or no formal system of leadership beyond the level of the household. Deference is accorded to elders, but advanced age does not guarantee authority. Among adults, the practice is to offer advice, rather than to issue commands. If a leader of sorts arises, his authority is based on charisma. There are larger organizations that have formed in recent decades to look after the interests of Rominche in Great Britain: the Gypsy Council; the Association of Gypsy and Romany Organizations; the Association of Traveling People; the Romany Guild; and the Southern Gypsy Council. These groups exist largely to minimize confrontations with Gorgios.