What does the word "dis" mean?

What can be concluded about rainsford from the narration

She has combed and brushed her night-dark hair, and bathed rose petal sweet, and drawn white gloves on her small brown hands, and white shoes on her feet. which literary technique does the stanza demonstrat

Who is ¨ the guilty party¨ at the end of the text, and how do his actions contribute to the storys theme?