STUMBLE

Jesus gives us a clear warning in Matthew 18. We cannot afford to ignore it. 
"And do not lead astray one of the weak and friendless who believes in Me. If you do, it would be better for you to be dragged down with a millstone and drowned in the bottom of the sea. 

Beware indeed of those in a world filled with obstacles and temptations that cause people to turn away from Me. Those temptations are woven into the fabric of a world not yet redeemed, but beware to anyone who lures righteous women and men off the narrow path. If your hand constantly grasps at the things of this world rather than serves the Kingdom—cut it off and throw it away. If your foot is always leading you to wander, then cut it off and throw it away; it is better for you to hobble, crippled, into the kingdom of life than to burn in hell with two hands and two feet. And if your eye always focuses on things that cause you to sin, then pull your eye out and throw it away. It is better for you to see the kingdom of life with one eye than to see the fires of hell with perfect sight." Matthew 18:6-9