text: (iii) Who, upon the request of hi6 or her employer in the State of employment, engages for a restricted and defined period of time in work whose nature is transitory or brief; and who is required to depart from the State of employment either at the expiration of his or her authorized period of stay, or earlier if he or she no longer undertakes that specific assignment or duty or engages in that work; (h) The term “self-employed worker” refers to a migrant worker who is engaged in a remunerated activity otherwise than under a contract of employment and who earns his or her living through this activity normally working alone or together with members of her or her family, and to any other migrant worker recognized as self-employed by applicable legislation of the State of employment or bilateral or multilateral agreements. The present Convention shall not apply to: (a) Persons sent or employed by international organieations and agencies or persons sent or employed by a State outside its territory to perform official functions, whose admission and status are regulated by general international law or by specific international agreements or conventions: (b) Persons sent or employed by a State or on its behalf outside its territory who participate in development programmes and other co-operation progrcunmes, whoee admission and status are regulated by agreement with the State of employment and who, in accordance with that agreement, are not considered migrant workers : (c) Persons taking up residence in a State different from their State of origin a6 investors: (d) Refugees and stateless persons, unless such application is provided fat in the relevant national legislation of, or international instruments in force for, the State Party concerned: !P! Student6 and trainee6: (f) Seafarer6 and worker6 on an offshore installation who have not been 
analysis: The text appears to be discussing the definition and classification of migrant workers, which is a topic related to employment and labor laws. The text also mentions international organizations and agreements, which suggests a connection to international relations and cooperation.