Some French renegade? (4)

I believe the answer is:

rene

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'some french renegade?' is the definition.
The definition suggests a singular noun which matches the answer.

This is the entire clue.

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(Other definitions for rene that I've seen before include "-- Magritte, artist" , "- Descartes, French mathematician" , "- Lalique, glass artist" .)

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