The correct answers are "a runaway slave" and "an abolitionist".
Explanation:
Frederick Douglass was born as a slave in Maryland, but managed to escape and become a renown activist and leader in the abolitionist movement. Since he was such a good orator and very eloquent, many pro-slavers found it very hard to believe in his skills. Pro-slavers stated that slaves didn't have the intellectual capacity to live as independent citizens.
