The most common and most likely answer to this crossword clue is the 7 plus 1 plus 3 letter word WHAT’LL I DO?
I've seen this crossword clue in The Guardian
W
H
A
T
â
€
™
L
L
I
D
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?
Buddy explains!

The straight part
We know that "Describe my role" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case describe my role = what’ll i do?.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.