The most common and most likely answer to this crossword clue is the 7 letter word GAMBLER
I've seen this crossword clue in The Daily Telegraph
G
A
M
B
L
E
R
More clues leading to the result GAMBLER
- Good walker, one taking risks
- Better finish for limping walker
- One walks slowly after essential bit of surgery, I bet
- German thriller writer’s better
- Female Ibsen character embracing male one of Dostoevsky’s
- better
- King George takes in walk — that’s better
- Good author of thrillers, I’ll wager
- Grand stroll on summit of ridge, I bet?
- Norwegian heroine embraces male who takes risks
Buddy explains!

The straight part
We know that "better" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case better = gambler.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 GAMBLER mean?
GAMBLER noun- One who plays at a game of chance, who gambles.
- One who takes significant risks.