"looking earnestly , lest any fall short of the grace of God, lest any root of bitterness springs up causing trouble, and by this defile many;" 1 Hey you, look earnestly, intently at this. This word for looking earnestly is piskopéō "I exercise oversight, care for" (from epí, "on, fitting," intensifying skopéō, "look intently") – properly, focus on, look at with real (caring) interest. The focus here is on the "overseer" not so much the person, while we are all responsible for our own actions, this speaks of something caused inadvertently that can be avoided. Leader look intently, "lest any fall short of the grace of God," speaks of the cause and solution. Lest any "root of bitterness springs up causing trouble, and by this defile many." Defiling many again speaks of the audience, overseer. So the question becomes how does this happen? if I know it can and how then I can prevent it. "You are severed ...
When we bear fruit, after being deeply rooted, and growing up truth in love, the love of God is fulfilled.