NET
5 For calamity, there is derision (according to the ideas of the fortunate)—a fate for those whose feet slip.
Darby
5 He that is ready to stumble with the foot is a lamp despised in the thought of him that is at ease.
KJV
5 He that is ready to slip with [his] feet [is as] a lamp despised in the thought of him that is at ease.