Proverbs 30:10
“Don’t slander a servant to his master, lest he curse you, and you be held guilty.
World English Bible (Public Domain)
In context
Before · Proverbs 30:8–9
8Remove far from me falsehood and lies. Give me neither poverty nor riches. Feed me with the food that is needful for me, 9lest I be full, deny you, and say, ‘Who is the LORD?’ or lest I be poor, and steal, and so dishonor the name of my God.
10“Don’t slander a servant to his master, lest he curse you, and you be held guilty.