Imagine, if you will, that the Inquisitor, an all-powerful android who survived to the end of time and is now coming back through history to weed out those individuals who have not lived a worthwhile life*, has descended among us and is seeking to determine which of us should be eliminated.
You don't have to be Mother Teresa (which would be quite a trick, as she's dead) or a rich, important person to be considered worthwhile; any act which you performed which has made the world a better place will exempt you from erasure.
So justify yourself.
You have one hour.**
*I "borrowed" him from an episode of Red Dwarf.
**OK, you don't really, you have as long as it takes you to post.