egotistical

Tending to talk excessively about oneself.

Believing oneself to be better and more important than others due to one's position, popularity, wealth, appearance, etc.

All hanar have two names. The Face Name is known to the world; the Soul Name is kept for use among close friends and relations. Hanar never refer to themselves in the first person in conversation with someone they know on a Face Name basis. To do so is considered egotistical, so instead they refer to themselves as "this one", or the impersonal "it".

“Don’t help elect Trump, you egotistical billionaire a**hole,” the protester yelled. “Go back to getting ratioed on Twitter. Go back to Davos with the other billionaire elites who think they know how to run the world. That’s not what democracy is.”

Egoistical (advocating egoism).