The most common and most likely answer to this crossword clue is the 6 letter word LACKEY
I've seen this crossword clue in The Daily Telegraph
L
A
C
K
E
Y
More clues leading to the result LACKEY
- Poodle, perhaps with some black eye
- Minion’s facial bruise with the edges not visible
- Servant – need you back!
- Servant given black eye endlessly
- Footman’s deficiency Pepys regularly ignored
- Charlie’s most important servant
- Leading aircraftman has essential tool
- Servant — need you back!
- Conservative after Californian city means to get in assistant
- Want you coming back as a servant
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.
What does LACKEY mean?
LACKEY noun- A footman, a liveried male servant.
- A fawning, servile follower.
- To attend, wait upon, serve obsequiously.
- To toady, play the flunky.