The most common and most likely answer to this crossword clue is the 9 letter word BILINGUAL
I've seen this crossword clue in The Times
B
I
L
I
N
G
U
A
L
More clues leading to the result BILINGUAL
Buddy explains!

The straight part
We know that "Like interpreter" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case like interpreter = bilingual.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 BILINGUAL mean?
BILINGUAL noun- A person who is able to use two languages.
- Having the ability to speak two languages.
- Spoken or written in two different languages.
- Characterized by the use or presence of two languages.