The most common and most likely answer to this crossword clue is the 8 letter word ROTARIAN
I've seen this crossword clue in The Daily Telegraph
R
O
T
A
R
I
A
N
More clues leading to the result ROTARIAN
- Member of club managed to contain a riot somehow
- Fund-raiser managed to keep one on register
- Club member in register managed to get one inside
- Clubman sounds revolutionary!
- Sailor in Eire supported by a new club member
- Nonsense by unorthodox believer who belongs to club?
- Charity club member on-air at orphanage overwhelmed on reflection
Buddy explains!
The straight part
We know that "Club member" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case club member = rotarian.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.