The most common and most likely answer to this crossword clue is the 5 letter word CUBAN
I've seen this crossword clue in The Guardian
C
U
B
A
N
More clues leading to the result CUBAN
- Copper bar from a Caribbean island
- Islander‘s copper prohibition
- Metal bar from island
- Schumann regularly takes in Biggles and islander
- Like some heels, making copper curse
- Ursa Minor appearing above an islander
- Association left out a name for islander
- Red ruby uncovered and held by John
- Morgan, a buccaneer smuggling back in the Caribbean
Buddy explains!
The straight part
We know that "Islander" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case islander = cuban.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.