May very stupid person attempt to influence voters? (7)

I believe the answer is:

canvass

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'attempt to influence voters?' is the definition.
I know that 'voters' relates to this answer.

'may very stupid person' is the wordplay.
'may' becomes 'can' (synonyms).
'very' becomes 'v' (abbreviation).
'stupid person' becomes 'ass' (I've seen this in another clue).
'can'+'v'+'ass'='CANVASS'

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(Other definitions for canvass that I've seen before include "Appeal for support" , "Conduct an opinion poll" , "Electioneer" , "Visit to ask for votes" , "campaign" .)

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