The phrase "wealthy outsiders" refers to people who are rich or have a lot of money, but are not part of the group or community they are associated with. Full definition
«A stunning account of efforts by wealthy outsiders and ambitious politicians to fix Newark's failing public schools. (amazon.com)
But City are not the first club to find themselves in the position of being wealthy outsiders attempting to gatecrash the elite. (espn.in)
The Republican gubernatorial field features two wealthy outsiders with no experience in politics: former hedge fund manager David Stemerman and former UBS Investment Bank chief financial officer Bob Stefanowski. (courant.com)