Lesson 1
Any statement which is forbidden to relate because it is categorized as Lashon hora would be forbidden to hear, or if already heard, to believe it. This includes listening to and believing tales about improper actions, faulty character traits, lack of intelligence, or the misdeeds of someones family.
Lesson 2
The manner in which lashon hora is conveyed to you (through writing, hinting, speaking, or signaling) makes no difference, it is still the same lashon hora.
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Lashon Hora = Saying a derogatory/negative statement about someone else that is TRUE
Motzi Shaim Ra (Defamation of Character) = Saying a derogatory statement that is FALSE
About Whom is it Forbidden to Speak Lashon Hora - Any Individual Jew - Alive or not, - adult or child, family member (spouse, in-laws, parent, child, siblings), groups/sects of Jews, Entire Jewish Nation