Crossword Genius

One who shares equal rent perhaps (7)

Ross

I believe the answer is:

partner

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'one who shares' is the definition.
The answer is a person as well as being a singular noun. This is suggested by the definition.

'equal rent perhaps' is the wordplay.
'equal' becomes 'par'.
'perhaps' indicates an anagram.
'rent' with letters rearranged gives 'tner'.
'par'+'tner'='PARTNER'

Can you help me to learn more?

(Other definitions for partner that I've seen before include "One sharing home or business" , "Other half?" , "Spouse or business collaborator" , "Professional colleague" , "Sidekick" .)

I've seen this clue in The Globe and Mail.
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