empatron
/ɛmˈpætrɒn/Definitions
1. noun
A patron who is a member of the general public who supports the arts, typically through donations or purchases.
“The city’s arts council relies heavily on its empatrons for funding.”
2. noun
A person who patronizes a particular business or establishment, especially a theater or other performing arts venue.
“The empatron for the local theater was instrumental in its successful season.”