4 “Beware of your friends; do not trust anyone in your clan. For every one of them is a deceiver,aand every friend a slanderer.

Read Jeremiah 9:4 Using Other Translations

Take ye heed every one of his neighbour, and trust ye not in any brother: for every brother will utterly supplant, and every neighbour will walk with slanders.
Let everyone beware of his neighbor, and put no trust in any brother, for every brother is a deceiver, and every neighbor goes about as a slanderer.
“Beware of your neighbor! Don’t even trust your brother! For brother takes advantage of brother, and friend slanders friend.