habitue
/hæbɪˈtuː/Definitions
1. noun
a person who regularly frequents a particular place, especially a restaurant or bar
“He was a habitué of the local coffee shop and knew the owner by name.”
2. noun
a person who regularly attends a particular event or place, especially a theatre, concert hall, or art gallery
“The museum was a favorite haunt of the artist, and she was a regular habituée of its exhibitions.”