The words such as blood-bedewed and corpse-like in the phrases given above give off a sinister tone. The words blood and corpse relate to death, a dark atmosphere, or hints that something threatening or harmful is about to happen or has happened. The word "sinister" best describes the tone used in these phrases.
30 minutes of the school day being spent working with the janitorial staff to help students develop respect and responsibility.
Society tends to mistreat someone or something that does not follow its ordinary norm, whether it's ethnicity , cultural , ideology, or even merely physical difference. The excerpt address the exact issue