I come from a Jain family. Amongst Jains and Christians, there is a very strong concept of sin. Amongst Jains, Buddhists and Hindus, there is a very strong concept of Karma. Essentially, I grew up in surroundings that had a very strong overtone of the concept of Karma and sin (negative karma) and merit (positive karma).
Then I came across my Guru (Guruji Rishi Prabhakar) who never talked about karma but only talked about samadhi and moksha. I once asked him: Guruji, why don’t you ever talk in terms of Paap and Punya which many spiritual masters talk? He replied in a light vein that that doesn’t mean he is ignorant about the concepts. My query didn’t get answered and my quest continued. Gradually life gave me my answers.