He develops a light stoop - from bending over cases? (11)

I believe the answer is:

pathologist

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'he develops' is the definition.
The answer is a person as well as being a singular noun. This is suggested by the definition.

'a light stoop from bending over cases?' is the wordplay.
'a light stoop' anagrams to 'PATHOLOGIST'.
But, I am not sure how this is indicated.

Can you help me to learn more?

(Other definitions for pathologist that I've seen before include "Studier of diseases" , "Student of diseases" .)

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

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