What is another word for putting yourself first before others?

The word that describes putting yourself first before others is "selfishness." Selfishness is the act of prioritizing one's own interests and desires above the interests and desires of others. It is often characterized by a lack of consideration or concern for the feelings, needs, or well-being of others. Selfishness can be considered the opposite of altruism, which is the act of putting others' needs before one's own.