The term "person mean" may refer to someone who is cruel, unkind, or malicious. Some synonyms for this type of person could include a bully, a tormentor, an oppressor, or a tyrant. Other words that may be used include a sadist, a brute, a thug, or a monster. It is important to remember that even though these words may be used interchangeably with "person mean," they each carry slightly different connotations, so one should choose the appropriate word based on context and desired impact. Ultimately, any of these synonyms drive home the point that a "person mean" is not someone to be trifled with or taken lightly.