One incites outrage occasionally covering Queen (5)

I believe the answer is:

urger

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'one incites' is the definition.
I can't judge whether this definition defines the answer.

'outrage occasionally covering queen' is the wordplay.
'occasionally' means one should take alternating letters (letters taken at regular intervals or occasions).
'covering' is a charade indicator (letters next to each other) (in a down clue, some letters go above others).
'queen' becomes 'ER' (short for Elizabeth Regina ie Queen Elizabeth).
The alternate letters of 'outrage' are 'urg'.
'urg'+'er'='URGER'

Can you help me to learn more?

(Another definition for urger that I've seen is " One strongly recommending".)

I've seen this clue in The Telegraph.

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