The most common and most likely answer to this crossword clue is the 7 letter word LIVE-IN
L
I
V
E
-
I
N
More clues leading to the result LIVE-IN
Buddy explains!

The straight part
We know that "Could be maid or lover" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case could be maid or lover = live-in.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 LIVE-IN mean?
LIVE-IN adjective- Living on the premises, usually said of a household employee.