The sponsorship system of the Arab Gulf countries comprises rules and regulations that tie the residence of a migrant worker to his/her sponsor in the country. This paper offers an in-depth examination of the legal framework of the sponsorship system of three countries of the Gulf Cooperation Council (GCC) - Qatar, Saudi Arabia, and Kuwait. The paper looks at different aspects of the system starting with the requirement for sponsorship and ending with the rules on absconding and repatriation.