Frederick Douglass would act on behalf of oppressed groups and repudiate attempts to fight, infringe, and harm them.
We can arrive at this answer because:
Therefore, we can conclude that he would react in favor of the oppressed groups presented in the two texts indicated in the question, while at the same time repudiating contrary and violent positions in relation to these groups.
You have not provided the quote and texts this question refers to. This prevents me from providing a specific answer, but I hope the information above will help you.
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