you can be local-level (i.e. your physical community, like a church) fit – only your partner and friends will know you are strong.
you can be a country-level (i.e. i'm big in japan) essayist – your essays will broadly impact your culture but never reach global recognition.
you can be a global-level (i.e. the english language) software architect – your programs/programming language/CS theory can affect every single computer world wide. people may not know your name, but they use your code every day.