Harriet Tubman was an American abolitionist, humanitarian, and an armed scout and spy for . By , Tubman's father, Ben, was manumitted from slavery at the age of 45, as stipulated in a former owner's will, though his actual age was Hypersomnia · Underground Railroad · United States twenty-dollar bill. Go to andrewbronsmep.eu to learn about the courageous and inspiring life of Harriet Tubman, a woman who led enslaved people to freedom along. Harriet Tubman is perhaps the most well-known of all the Underground Railroad's "conductors. At age five or six, she began to work as a house servant.