The most common and most likely answer to this crossword clue is the 10 letter word WORSHIPPER
W
O
R
S
H
I
P
P
E
R
More clues leading to the result WORSHIPPER
- A person who adores quarrel over sender of items abroad
- Perhaps one involved in service dispute over exporter?
- Bicker over one dispatching a member of the flock
- Almost get the better of more fashionable one seen in church
- Churchgoer raised argument with transport manager
- Someone in church with proper wish to reform
- To paddle back to vessel takes desperate guts, I believe
- Fan in queue turning up for Aristotle Onassis, for example
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 = worshipper.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 WORSHIPPER mean?
WORSHIPPER noun- A person who worships, especially at a place of assembly for religious services.