There is no such thing as a bad word. Words are amoral, neither good not bad. The use of the word, however, is derogatory. It would be best to avoid using it.
No, in most cases, charismatic is a good word. Charismatic describes a person who possesses an extraordinary ability to attract; a person with a magnetic personality. Most people that have charisma...
Because most derogatory terms and racial slurs are considered "bad" words. They are used to affect others negatively and arouse feelings from anger to depression.