Holder transferred from can to cup (8)

I believe the answer is:

occupant

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'holder' is the definition.
(I've seen this before)

'from can to cup' is the wordplay.
'from' indicates anagramming the letters (the anagram comes from the same letters).
'can'+'to'+'cup'='cantocup'
'cantocup' with letters rearranged gives 'OCCUPANT'.

'transferred' acts as a link.
I am not very happy about this link. It may be part of another bit of the clue.

Can you help me to learn more?

(Other definitions for occupant that I've seen before include "Indweller" , "Insider" , "Person residing in a property" , "Inmate" , "Homeowner or tenant" .)

I've seen this clue in The Times.

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