Crossword Genius

Breaking rule with one TV participant? (9)

Ross

I believe the answer is:

volunteer

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'participant?' is the definition.
The definition and answer can be both people as well as being singular nouns.
Maybe there's an association between them I don't understand?

'breaking rule with one tv' is the wordplay.
'breaking' indicates an anagram.
'with' means one lot of letters go next to another.
'one'+'tv'='onetv'
'rule' after 'onetv' is 'onetvrule'.
'onetvrule' is an anagram of 'VOLUNTEER'.

Can you help me to learn more?

(Other definitions for volunteer that I've seen before include "One enlisting of own free will" , "tender service" , "Offer freely to do something" , "Offer to work for nothing" , "One works in an unpaid capacity" .)

I've seen this clue in The Independent.
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