an outgoing, gregarious person.

Psychology . a person characterized by extroversion; a person concerned primarily with the physical and social environment ( opposed to introvert ).

Also, extroverted. Psychology . marked by extroversion.

Psychology . to direct (the mind, one's interest, etc.) outward or to things outside the self.

noun

introvert

noun

character * , exhibitionist , gregarious person , life of the party , showboat , show-off