Keeper who saves extravagantly (7)

I believe the answer is:

hoarder

This clue is a double definition.

'keeper' is the first definition.

'who saves extravagantly' is the second definition.
(person who saves lots of things)

(Other definitions for hoarder that I've seen before include "One saves" , "Miser; magpie" , "Accumulator" , "18 [MAGPIE] , perhaps" , "One secretly stores money or valuables" .)

I've seen this clue in The Guardian.

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