The most common and most likely answer to this crossword clue is the 9 letter word SARDINIAN
I've seen this crossword clue in The Times
S
A
R
D
I
N
I
A
N
More clues leading to the result SARDINIAN
- Welsh girl securing a way in for a native of Cagliari?
- Dr Iannis: a strange person from Mediterranean island
- Man with fish mostly from an Italian island
- Islander‘s rum and raisin
- Islander collapsed drain to stop Irish girl
- Islander getting fish, no English fellow
- Drunk Iranians will hug democratic European
Buddy explains!
The straight part
We know that "native of Cagliari" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case native of cagliari = sardinian.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.