Pleasure
Pleasant Feeling
When you have the feeling of pleasantness, you are experiencing pleasure.
かいかん
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
人に恥をかかせることで快感を味合うような人にはなってもらいたくないわ。
I don’t want you to be a person who derives pleasure from humiliating people.