having or containing a lot of knowledge that is known by very few people
erudite
behaving in a kind and pleasant way
affable
an individual that acts in a hostile manner, such as engaging in combat.
belligerent
fond of the company of others; sociable
gregarious
likely to do something suddenly, without considering the results of your actions
impetuous
not willing to take part in things// powściągliwy
aloof
changing mood or behaviour suddenly and unexpectedly
capricious
if you are certain that you are right and that everyone else is wrong.
dogmatic
kind and helpful
benevolent
showing no real interest or effort:
indolent
believing that people are only interested in themselves and are not sincere:used to say that someone's feelings or emotions are used to your own advantage:
cynical