Lifnei iver
In Judaism, Lifnei Iver (Hebrew: לִפְנֵי עִוֵּר, romanized: lifnê ʿiwwēr, "Before the Blind") is a Hebrew expression defining a prohibition against misleading people by use of a "stumbling block", or allowing a person to proceed unawares in unsuspecting danger or culpability. The origin comes from the commandment וְלִפְנֵ֣י עִוֵּ֔ר לֹ֥א תִתֵּ֖ן מִכְשֹׁ֑ל וְיָרֵ֥אתָ מֵּאֱלֹהֶ֖יךָ "Before the blind, do not put a stumbling block" (Leviticus 19:14).