Miguel Maria N'Zau Puna has served as the ambassador of Angola to Canada from September 28, 2000 to 2008.
He served as Secretary-General of UNITA, an anti-Communist rebel group that fought against the MPLA during the Angolan Civil War from 1966 until right before the 1992 presidential election.
References
Miguel Maria N'Zau Puna Wikipedia(Text) CC BY-SA