'Defence' in the Bible

for, lo, this same thing -- your being made sorry toward God -- how much diligence it doth work in you! but defence, but displeasure, but fear, but longing desire, but zeal, but revenge; in every thing ye did approve yourselves to be pure in the matter.

Again, think ye that to you we are making defence? before God in Christ do we speak; and the all things, beloved, are for your up-building,