MW13. Mdd and Health,
1. Yeshayahu (60,21) appointed me.
2. What about people who do aveirot such as chillul Shabbat out of habit (aveirot anashim melumadim)? See Rambam Hilchot Shiggagot 2:2 that even lack of knowledge of the seriousness of the offense is considered shoggeg.
3.There are different definitions of tzaddik and rasha. See for example, Rambam Hilchot Teshuva 3,1-2.