Two untranslatable default role names
Names of the default roles "Non member" and "Anonymous" are not translatable.
#4 Updated by Ebrahim Mohammadi about 8 years ago
Yes, they appear in admin UI in roles management page. The two roles are special roles added by Redmine. But the strings are not internationalized using I18n module so that translators can translate them into their language.
(I guess you wanted to make sure I know what I'm talking about. I hope my answer has helped.)