The word "egotistical" means being excessively focused on oneself and thinking highly of oneself, without considering the feelings or needs of others. Full definition
We are not so egotistical as to think that we have a right to dominate our relations to a friend by setting all standards and absorbing all disappointments. (religion-online.org)
Burnham said: «Never again can the people's party be run in this way, with egotistical factions and their friends in the media meeting on the London dinner party circuit to plot each others» demise.» (theguardian.com)