registrar This is used as a controlled term to specify a given agent role type ("Registration Agency"). :silvio-peroni pro:holdsRoleInTime :registrar-for-my-dataset . :registrar-for-my-dataset a pro:RoleInTime ; pro:relatesToEntity :my-dataset ; pro:withRole scoro:registrar . The role held by an agent responsible for maintaining official records, for example the records of student enrollment and academic standing held by a college or university, or the records of securities owned by a financial institution.