John records the time Jesus washed the disciples’ feet in chapter thirteen of his book. Judas Iscariot was among those disciples. After teaching them the principle behind his actions, Jesus tells the group plainly that one of them is about to betray him.
Jesus describes Judas' betrayal, “..he who eats bread with Me has lifted up his heel against me” (John 13:18). His words form a violent picture of a victim on the floor and someone standing over him, kicking repeatedly, stomping on the body. Does that vision repulse you as it does me?
Every time we take communion in our churches we are literally eating bread with him. The bread is symbolic of his body and the wine symbolic of his blood. Spiritually we are feeding on him (John 6:53-58; 61-64). When we choose our way above his, we also are lifting our heel against him (Hebrews 10:26-31).
Willfully sinning after knowing the truth is trampling the Son of God under our foot (Hebrews 10:29).