Who is George Everest after whom Everest is named?

Who is George Everest after whom Everest is named?

The masters who were powerful in history, the owners as they are called in some countries, became egocentric, they both set the rules and gave their names to people and countries. How did the summit of the world, called Sagarmatha by Nepalis and Chomolungma by Tibetans, become Everest?