Do not become involved with him who reveals mysteries, and who walks deceitfully, and who enlarges his lips
Other versions
King James Version
He that goeth about as a talebearer revealeth secrets: therefore meddle not with him that flattereth with his lips. English Standard Version
Whoever goes about slandering reveals secrets; therefore do not associate with a simple babbler.New International Version
A gossip betrays a confidence; so avoid a man who talks too much.