What evidence does Douglass provide in Chapter 1 of Narrative of the Life of Frederick Douglass to support that his first overseer was cruel?

Evidence of the cruelty of the overseer is provided by the cruelty of the overseer on Douglass aunt, Hester. Douglass recalls that the overseer brought Hester home, stripped and tied her before proceeding to beat her until she bleeds because she had gone out with a slave

The answer. "He was a cruel man, hardened by a long life of slaveholding.