We know there is a sun in heaven, yet we cannot see what matter it is made of, but perceive it only by the beams, light and heat. Election is a sun, the eyes of eagles cannot see it, yet we may find it in the heat of vocation, in the light of illumination, in the beams of good works.
Being a hooker does not mean being evil. The same with a pick-pocket, or even a thief. You do what you do out of necessity.