Does karet mean the soul will not ever enter the olam haba? Can teshuvah rectify the transgression which lead to the karet? Can that soul in another re-incarnation rectify the blemish of karet? By ...
As far as I know, living people can positively affect the dead. This is the reason we say Kaddish and learn Mishnayos for the souls of the deceased. (Feel free to comment with more examples of this.) ...