selfishness, greed, envy, etc are shaddrippu’s and hence check 6th house, any major planet sitting in 6th shows a person’s shaddrippu meaning a sin they need to overcome it the souls learning…example Shani in 6th shows greed but the person needs to learn how to overcome this so that the sixth house matters will get pacified…there is a complete video for all planets in 6th house and such sins of greed, selfishness, envy, etc and soul learnings in satprishi astrology channel on YouTube…sir Sunil John ji has very good content that works on real time charts also I have tried many of this shaddrippu combinations in live charts, it works….have a look…jai mahadev maa gauri