Western stockholder (7)

I believe the answer is:

rancher

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'western stockholder' is the definition.
The answer and definition can be both people as well as being singular nouns.
Maybe they are linked in a way I don't understand?

This is all the clue.

Can you help me to learn more?

(Other definitions for rancher that I've seen before include "Cattleman" , "US cattle breeder" , "Cattle baron" , "US cattle farmer" , "Stock farmer" .)

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

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