enthusiast

noun
C1+
1
C1+
a person who is very interested in something and spends a lot of time doing it
علاقه‌مند, مشتاق, شیفته
2
C1+
a person who approves of something and shows enthusiasm for it
علاقه‌مند, شیفته, مشتاق
enthusiasts for a united Europe
They are great enthusiasts of the American work ethic.