egotist
noun [ C ] disapproving uk/ˈiː.ɡə.tɪst/ us/ˈiː.ɡoʊ.tɪst/ (also egoist)
自我主义者；自高自大者
a person who considers himself or herself to be better or more important than other people
Politicians are notorious egotists. 政客们是一帮臭名昭著的自我主义者。