Answer:
Abuse, Barbarity, and shameless
Explanation:
The best paraphrase for the first paragraph is:
"After school, Jade tells her cousin Karla to try out for the step team"
This is mainly what the first paragraph is concerned with.
The technique that this sentence best illustrates is understatement.
Understatement means that you are not showing the full 'strength' of something, but it is rather understated - so here, the coach only said that 'he was glad' even though his team won the Super Bowl, which is a huge deal. So his emotions should have been way stronger.
In the evening, I will sit in the buffet. I will not eat but I will talk to some people who I find interesting.