The most common and most likely answer to this crossword clue is the 5 letter word RUFUS
I've seen this crossword clue in The Times
R
U
F
U
S
More clues leading to the result RUFUS
- Chap originally from America supporting game
- William, killed hunting game, tailed grouse
- In lift, hide American redhead
- Hearing plea from the homeless?
- King upset American element, having no Latin
- William in America, under cover with backing
- 8 22 down providing a lot of fun in endless career?🙂
- Red-haired person‘s hair coming back to us
- Game female meeting American king of old
- King William‘s almost certain to stitch university fellow up
Buddy explains!

The straight part
We know that "Chap" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case chap = rufus.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.