He physically gets experienced by danger. This emotion is spread to the viewer.
Coincidentally, showing oneself naked illustrates courage and protest – is weakness and strength in one. The power to show your violability. Besides, nudity perfectly contrasts to the veilings during the TTIP negotiations.
People from all over Europe get a chance to speak and voice criticism, their „naked truth“. Besides, the campaign appeals to you to express your own „naked truth" in public and social media.