This friendship won't exactly present you with the impetus to move forward. Instead, you two will feel stuck in the past, through a possible past-life connection. You'll be comfortable in this friendship because it's familiar, and it might feel like there's no reason to progress further as individuals.
After all, you won't really have a problem with the paths either of you has chosen in life; to whatever extent that you're meeting your goals, you'll both probably feel as if that's just fine. It will be a good thing to look up to each other and respect each other's experiences, but you shouldn't get distracted from your own life path because of this friend. The best thing would be to push bravely out into your own life, regardless of what your pal has or hasn't already experienced.