sometimes historically a samurai would study zen and get as much enlightenment as possible, get as much understanding as possible, in order to be a better samurai.
samurai has samurai karma!
cat has cat karma!
husband and wife have marriage karma!
student has learning karma!
hero has hero karma!
so it is not so much a matter of “waking up” from your earthly karma, as much as it is *choosing* to pursue what it is already your karma to pursue.