Not walking in craftiness. Pagan religious manipulated the masses; their ministers used tricks and devices to deceive people.

This was also a common practice in commerce, where many products were modified or falsified to achieve more profit.

Although this is abominable in the Work of Lord, there were false teachers infiltrated in the church who brought in the same subtlety and cleverness of the world to preach the Gospel.

Paul emphatically rejected this behavior and called such men adulterers of the Word. But those who are truly born of God cherish integrity, sincerity, and faithfulness to Him.

These servants neither seek popularity nor use the Gospel for personal gain. On the contrary, they may face terrible situations, but they refuse to use the Name of God to deceive people.