If you seek to become indispensable, a similar question is worth asking: "Where do you put the fear?" What separates a linchpin from an ordinary person is the answer to this question.
— Seth Godin
When your organization becomes more human, more remarkable, faster on its feet, and more likely to connect directly with customers, it becomes indispensable. The very thing that made your employee a linchpin makes YOU a linchpin.