habitué
/æbɪˈtweɪ/; French /abituːe/Definitions
1. noun
a person who regularly frequents a particular place, especially a restaurant, bar, or other establishment.
“The bartender had seen many regulars, including a few habitués who sat at the same table every night.”
2. noun
a person who is accustomed or accustomed to something.
“After years of studying abroad, she became a habitué of the French culture.”