'Self important' in the Bible

be sure you do not feel self-important and forget the Lord your God who brought you from the land of Egypt, the place of slavery,

In virtue of my office, I tell everyone of your number who is self-important, that he is not to think more of himself than he ought to think; he must take a sane view of himself, corresponding to the degree of faith which God has assigned to each.

treacherous, headstrong, self-important. They will love pleasure instead of loving God,