#4 לפני עור לא תתןמכשול: The prohibition of placing a stumbling
block in front of the blind applies to both the speaker and listener for the
speaker would not have said anything if no one was there and the listener would
not have accepted the loshon hara if the speaker would not have made it sound
#5 השמר לך פן תשכך את ד׳ אלוקיך: Is a prohibition on
the speaker against acting in a haughty manner for he would not have said
something bad about someone if he didn’t think he was greater than him
especially if he now looks better in the eyes of the listeners.
1. לא תלך רכיל
בעמיך (Vayikra 19:16): This negative mitzvah applies to both rechilus
which is essentially tattle telling and lashon hara which is speaking bad about
others even if it is the truth. This sin only applies to the one
2. לא תשא שמע
שוא (Shemos 23:1): According to most opinions applies to the one
listening and accepting loshon hara or rechilus. It is based on the case of a
judge not allowed to accept testimony before a court case officially begins
even if it is exactly what he is going to be hearing in the court case.
3. נשמר מאד מנגע הצרעת
(Devarim 24:8): There is a prohibition on getting yourself to have tzaraas, a
spiritual ailment in the times of the beis hamikdash and before, which one of
its causes is lashon hara.