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explain four different groups/categories of people with whom the manager deals/ works with

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Hagrid

Introverts, are people turning all their feelings
towards themselves. It is being passive or observant and does nothing to what
is happening around him. Bully, is a person who enjoys in pestering inferior
people. When there is conflict, he becomes aggressive on his surroundings,
asking for fights. Extravert is a person who likes the company of other people,
when there is conflict, extraverts becomes peacemakers