Anyone who follows the truth to the best of his ability is a believer, at least implicitly and to a degree, since Jesus is Truth itself.
Yes, amid the world's philosophies, knowledge, religions, gods, paths, good works, high moral standard/law keeping, mysticism, asceticism, self-effort, denial and outright rebellion,
Jesus is the Truth.
I wonder if you or anyone on this thread (still) knows anything about Pope Benedict's views on Eschatology. I read that he is well-studied in this field.