Crossword Genius

Backtracking oil producer's at first an advocate of Home Rule (10)

Ross

I believe the answer is:

separatist

'an advocate of home rule' is the definition.
(person advocating home rule for a colonised nation)

'backtracking oil producer's at first' is the wordplay.
'backtracking' is a reversal indicator.
'oil producer's' becomes 'rapes' (as in rape seed oil).
'first' becomes 'ist'.
'rapes' reversed gives 'separ'.
'separ'+'at'+'ist'='SEPARATIST'

(Other definitions for separatist that I've seen before include "Wanting independence" , "Rebel" , "dissenter" , "One who would break up a union" , "One wishing to break away" .)

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