The most common and most likely answer to this crossword clue is the 7 letter word GROUPIE
I've seen this crossword clue in Financial Times
G
R
O
U
P
I
E
More clues leading to the result GROUPIE
- Awful rogue bedding good fan
- Admirer pulling sausage skin from dish of game?
- Devotee taking slice peripherally from beef pasty
- On the rocks and abandoned, could be Apple follower
- Fan trouble, mostly about publisher
- Music fan got bigger #1 on the radio
- Band follower became older with little change, we hear
- Hanger-on damaged pirogue
- Devotee reportedly cultivated green veg
Buddy explains!

The straight part
We know that "Fan" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case fan = groupie.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does GROUPIE mean?
GROUPIE noun- A fan, especially a young female fan of a male singer or rock group; a person who seeks intimacy (most often physical, sometimes emotional) with a celebrity, usually a rock 'n' roll artist or band member.
- A group photo including the photographer; a group self-portrait.