The most common and most likely answer to this crossword clue is the 5 letter word GHOUL
G
H
O
U
L
More clues leading to the result GHOUL
- Malevolent spirit of bird endlessly circling house
- Good time to change sides with spirit
- Monster emerging from turbulent lough
- Frenchman possibly with house for a revolting person
- Spirit with look not OK — ugh, awful!
- Arab fiend has operated primarily in most of Arab region?
- Guts in age should reveal morbid person
- Although odd, short plastic hat provides shade
- Some gung-ho ulcerous fiend
- Gory, hair-raising operation undergoing, likely to look at the sources for spirit
Buddy explains!

The straight part
We know that "revolting person" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case revolting person = ghoul.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 GHOUL mean?
GHOUL noun- (Muslim demonology) A demon said to feed on corpses.
- A graverobber.
- A person with an undue interest in death and corpses, or more generally in things that are revolting and repulsive.