The most common and most likely answer to this crossword clue is the 5 plus 9 letter word LATIN AMERICANS
I've seen this crossword clue in The Sunday Telegraph
L
A
T
I
N
A
M
E
R
I
C
A
N
S
Buddy explains!
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.