Q: Can you please explain who is righteous and who is evil?
A: Any spiritual degree is divided in two parts: righteous and evil. If a person justifies the Creator that person is regarded as righteous, while one who condemns Him is regarded evil.
A person who is in the world of Assiya is regarded as evil, but in the world of Yetzira, that personis regarded as evil and righteous. In the world of Beria, the same person is righteous. Before one enters the spiritual worlds, one does not fall into any of the above categories, because from a spiritual perspective one does not exist. Read a lot of the texts of Baal HaSulam and Rabbi Baruch Ashlag, and learn the right definitions from them. That will prevent you from being confused by your previous knowledge.