The most common and most likely answer to this crossword clue is the 9 letter word MENDICANT
I've seen this crossword clue in The Daily Telegraph
M
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More clues leading to the result MENDICANT
- Recovery is impossible for me, poor creature
- . Doctor obtaining new social worker for charity case
- Beggar cannot be seen chasing designer denim
- Tramp? Patch up one with affected piety
- Beggar to stop in middle of busy road on slope
- Beggar working in tandem with head of charity
- Correct current slang for ‘beggar‘
- Begging from people? Sleuth finds it impossible
- Beggar‘s confession about inability to put things right?
- Beggar confesses inability to reform, Yoda style!
Buddy explains!

The straight part
We know that "beggar" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case beggar = mendicant.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 MENDICANT mean?
MENDICANT noun- A pauper who lives by begging.
- A religious friar, forbidden to own personal property, who begs for a living.
- Depending on alms for a living.
- Of or pertaining to a beggar.
- Of or pertaining to a member of a religious order forbidden to own property, and who must beg for a living.