This is HN so I'm not trying to evangelize you or anyone here, but what you described is 100% in line with Spiritism [1], a French-founded doctrine that's very popular both in France and Brazil [2]. I'm a believer.

[1] https://en.wikipedia.org/wiki/Kardecist_spiritism

[2] https://en.wikipedia.org/wiki/Kardecist_spiritism#cite_note-...