Servi camerae regis
Servi camerae regis, a Latin term meaning "servants of the royal chamber," refers to the unique status of Jews in medieval Christian Europe. During this period, Jews were considered to be under the direct protection and jurisdiction of the monarch, who had the authority to tax them and utilize their resources for the benefit of the royal treasury. In exchange for this taxation, the ruler was responsible for providing protection to the Jewish population from external threats and dangers.
The Laws of Edward the Confessor, enacted in 12th century England, formally established the servus camerae regis status, declaring that all Jews within the realm fell under the king's liege protection and guardianship. This meant that Jews were forbidden from seeking protection from powerful individuals without the king's explicit permission, as they and their possessions were considered to be the property of the monarch. The laws also granted the king the right to reclaim detained Jews or their assets as his own, solidifying the unique relationship between the Jewish population and the ruling authority in medieval Europe.