self-avowed       
adjective [ before noun ]  formal (also selfavowed) uk/ˌself.əˈvaʊd/ us/ˌself.əˈvaʊd/
 自称的
stating that you have a particular characteristic or belief 
  She is a respected physician and a self-avowed champion of hospice care.
 He was a self-avowed outsider who did not know how Washington worked. 他自称是一个局外人,不知道华府政治是如何运作的。 
  - More examples
 - He is a former U.S. attorney and a self-avowed lifelong Republican.
 - The self-avowed Christian and father of three had a high-profile role at the beginning of the campaign.
 - The organization's self-avowed mission is to be a leading contributor in the development of public policy on issues which affect financial institutions.