en_tn_condensed/jer/09/04.md

General Information:

Yahweh continues speaking with Jeremiah about the people of Judah.

Each of you

The word "you" refers to the people of Judah.

be on guard against your neighbor and do not trust in any brother

"be careful not to trust your fellow Israelites, and do not even trust your own brother"

every neighbor walks in slander

Here "walking" is an idiom for living. Alternate translation: "every neighbor slanders one another" or "every neighbor is a slanderer" (See: rc://en/ta/man/translate/figs-idiom)