Here is IRCC’s Country Information Library document for individuals from Cameroon. Although it is old, this document does help clarify identity documents from Cameroon, and things that visa officers watch for.
CameroonThe Southern Cameroons National Council and the Southern Cameroons Youth League
The Federal Court in Eyong v. Canada (Citizenship and Immigration), 2023 FC 1750, that membership in the Southern Cameroons National Council [SCNC] and the Southern Cameroons Youth League can render someone inadmissible to Canada.