Complex sentence: Freire advocates that education allows the oppressed to regain their humanity and overcome their condition; however, he acknowledges that in order for this to take effect, the oppressed have to play a role in their own liberation.
Split into simpler sentences: Freire advocates that education should allow the oppressed to regain their humanity and overcome their condition. However, he acknowledges that in order for this to take effect, the oppressed have to play a role in their own liberation.