If you ridicule other people because you're so proud of yourself that everyone seems like crap in comparison, you've got too much pride. You should also work on toning down your arrogance and haughtiness, because people won't like you.
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
This is the first time I’ve met such an arrogant man.