What is peroculism?

Answer 1

The attitude of seeing oneself, one's community and/or activities as superior, whereas any outsider is inferior and unworthy.

Ex: Having put into use unique methods and ideas along with a lot of effort, Jeremy was nominated for the position of Head of Department. As fame went into his head, his peroculous attitude resulted not only in his ignorance of others but eventually into renouncement from his co-workers.