The dark cloud was like a stain of darkness over the wide-open plain.
(Is that too advanced?)
There was a red stain on the boy's shirt as he stood in the grassy plain.
(That's a bit simpler.)
Dishearten, daunt, disparage, overawe, deject, depress. Hope this helps!
This shows that he doesn't want to make a mess. He wants to be organized. And cares about his friend being attacked by a mob. Hope this helps. To give more info I would need more information about him.
Hyperbole because he is not actually a black sheep.
