The governing authority of the state sometimes nominated a member of the Jewish community to the administrative position of crown rabbi to act as intermediary between the aljama and the state. For example, in the Kingdom of Aragon King John I issued edicts in 1386 defining the functions and duties of the '. There were various requirements as to the good character and faith of the person holding the position, as well as a requirement that he live among the entourage of the Court, and thus away from his community, and in constant contact with the Christian majority population. His powers and authorities over the ' of Castile, economic, judicial, and otherwise, were specified.