Lesson 1 Discussing an employees weak nature can be considered lashon hora as it can cause the person to lose their job, resulting in financial and/or emotional harm. (** if a worker needs to be discussed for constructive purposes, all the rules apply. These will be discussed)
Lesson 2 Shmirat Halashon does not just refer to words we speak, but rather applies to communication as a whole. With this understanding, negative facial expressions (i.e. smirking, turning up ones nose, winking) can be considered lashon hora.
(Lashon Hora - reporting something negative about someone else that is TRUE)
Lessons taken from Purity of Speech by C.T. Friedman