The most common and most likely answer to this crossword clue is the 4 plus 5 letter word HIGH FLIER
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Buddy explains!
The straight part
We know that "Person with lot of ability" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case person with lot of ability = high flier.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 HIGH FLIER mean?
HIGH FLIER noun- A person who or a type of aircraft that flies at high elevations.
- An ambitious person, especially one who takes risks or has an extravagant lifestyle.
- A vertical pole used in commercial fishing to locate the beginning and end of a long fishing line.