This code system http://terminology.hl7.org/CodeSystem/extra-security-role-type defines the following codes:

Code	Display	Definition
authserver	authorization server	An entity providing authorization services to enable the electronic sharing of health-related information based on resource owner's preapproved permissions. For example, an UMA Authorization Server[UMA]
datacollector	data collector	An entity that collects information over which the data subject may have certain rights under policy or law to control that information's management and distribution by data collectors, including the right to access, retrieve, distribute, or delete that information.
dataprocessor	data processor	An entity that processes collected information over which the data subject may have certain rights under policy or law to control that information's management and distribution by data processors, including the right to access, retrieve, distribute, or delete that information.
datasubject	data subject	A person whose personal information is collected or processed, and who may have certain rights under policy or law to control that information's management and distribution by data collectors or processors, including the right to access, retrieve, distribute, or delete that information.
humanuser	human user	The human user that has participated.