A self-centered person is an egotist.
A person who admires his own appearance is a narcissist.
Self-centered, thoughtless.
Self-centered.
Conceted, Self centered, Full of himself, lame,ego maniac...
Asocial refers to a person who does not enjoy socializing or participating in social activities. It can also be used to describe behaviors or feelings that are indifferent or detached from social interactions.
It means completely preoccupied with oneself (to an unhealthy extent).
The likely word is selfish (greedy or self-centered).
egoists
This could be self-centered or narcissistic.
The opposite word for self-effacing is "boastful" or "self-aggrandizing." This refers to someone who promotes themselves excessively and without humility.
self-centered, selfish, egocentric
Greedy,Selfish,Self-centered,Ungiving.
One possible substitute for "their" is "his" or "her" depending on the gender of the person/people being referred to. Another substitute can be "its" when referring to a non-human object or entity.