Hindu teacher turning up with a soothsayer (5)

I believe the answer is:

augur

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'soothsayer' is the definition.
(I've seen this in another clue)

I don't understand how the rest of the clue works.

(Other definitions for augur that I've seen before include "He reads the signs" , "Portent" , "Foreshadow" , "Presage, foretell" , "A sign of something to come" .)

I've seen this clue in the Best For Puzzles.

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