One may vote in English reader (7)

I believe the answer is:

elector

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'one may vote' is the definition.
'elector' can be an answer for 'vote' (thesaurus). I'm unsure of the 'one may' bit.

'english reader' is the wordplay.
'english' becomes 'e' (abbreviation).
'reader' becomes 'lector' (synonyms).
'e'+'lector'='ELECTOR'

'in' acts as a link.

Can you help me to learn more?

(Other definitions for elector that I've seen before include "One has a legal right to vote" , "Germanic prince" , "might he make one cross?" , "Constituent" , "A prince of the Holy Roman Empire" .)

I've seen this clue in The Telegraph.

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