Philosophy master (4)

I believe the answer is:

yogi

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'philosophy master' is the definition.
The definition and answer can be both people as well as being singular nouns.
Maybe you can see an association between them that I don't see?

This is the entire clue.

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(Other definitions for yogi that I've seen before include "One practises a Hindu philosophy" , "Cartoon bear; Hindu ascetic" , "Hindu mystic" , "Guru's student" , "participant in spiritual discipline" .)

I've seen this clue in the Evening Standard.

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