Let me start with Google’s official definition, and then I will follow with my definition.
A Google Developers Expert (GDE) is a person recognized by Google as having exemplary expertise in one or more of their products. The Google Developers Experts program awards GDEs. Google established and administers the program.
This is a companion discussion topic for the original entry at https://www.freecodecamp.org/news/three-years-ago-i-attended-a-coding-bootcamp-today-i-became-a-google-developer-advocate-b89fae03d476/