group·ie 
/ˈgru:pi/ noun
plural group·ies /ˈgru:pi/ noun [count] informal 1 a : a fan of a music group who follows the group on concert tours
b : a fan of an athlete or celebrity who tries to see the athlete or celebrity as often as possible 2 : an enthusiastic supporter or follower of something
▪ a science-fiction groupie ▪ a political groupie
b : a fan of an athlete or celebrity who tries to see the athlete or celebrity as often as possible
▪ a science-fiction groupie ▪ a political groupie
