An extrovert or introvert?

no

Manganese is an element on the periodic table... a metal to be exact. "Introvert" and "extrovert" are terms that are used to differentiate people based upon their social behavior (or lack thereof)....

extrovert

Assuming you mean 'definition of introvert versus extrovert personality';It is popularly believed that an introverted person could be any or all of the following; shy, not outgoing, quiet, solitary,...

Socially, a extrovert is considered to be "better" while a introvert is usually mentally superior.