in an open manner, and not as if cloaking malice with liberty, but like servants of God
Other versions
King James Version
As free, and not using your liberty for a cloke of maliciousness, but as the servants of God. English Standard Version
Live as people who are free, not using your freedom as a cover-up for evil, but living as servants of God.New International Version
Live as free men, but do not use your freedom as a cover-up for evil; live as servants of God.