Rectify victory by German AfD candidate? (5-6)

I believe the answer is:

right-winger

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'afd candidate?' is the definition.
I can't judge whether this defines the answer.

'rectify victory by german' is the wordplay.
'rectify' becomes 'right' (I've seen this before).
'victory' becomes 'win' (a win is a victory).
'by' says to put letters next to each other.
'german' becomes 'ger' (abbreviation).
'right'+'win'+'ger'='RIGHT-WINGER'

Can you help me to learn more?

(Other definitions for right-winger that I've seen before include "Blue" , "team member" .)

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