What does the cryptic crossword clue "He'll come a cropper in the end? (4,6)" mean?

The definition is "He’ll come a cropper in the end?". The wordplay uses a cryptic definition. Cryptic definition The answer is GRIM REAPER.

He'll come a cropper in the end? (4,6)

Times Cryptic #28565 | 13 Down | 2023-03-31 flower