We all have a need to feel important, that in some way we matter. If we do not meet this need, we may feel empty inside.
Knowing I am making a positive difference in people's lives feeds my need for significance. Everyone has different ways to meet that need. It may be connected to career, academic accomplishments, material possessions, or relationships.
An equally important question is how you are helping others feel significant. When was the last time you told a loved one how important they are in your life?
One thing is certain: when you help someone else feel significant, it comes back to you. It always feels good to help other people feel good.