What does the cryptic crossword clue "Criticism of crowd after benefits rejected (8)" mean?

The definition is "rejected". The wordplay uses a reversal. DIA (synonym="DIA") + TRIBE (synonym="‘crowd’") = DIATRIBE The answer is DIATRIBE.

Criticism of crowd after benefits rejected (8)

Guardian Cryptic #29484 | 1 Across | 2024-09-10 flower