. >> andre botha has a knew title, hero. he's been credited with saving the life of a surfer knocked unconscious during a competition sunday in hawaii. >> reporter: geiselman is seen taking off on a wave, but the barrel collapses around him and he disappears. >> yeah. he's out. >> reporter: unconscious, he reappears. now with a body boarding champion. botha tries to keep the head above the surface and performs cpr. >> the first thing that went to my mind was that he was dead. his face was like a dark blue, almost purple. >> reporter: powerful currents threatened to sweep them away. life guards jumped in to assist. >> hold onto the surfer's body, and help until we got there, and got to him. >> reporter: once on shore, geiselman regained consciousness and was rushed to the hospital in critical condition. on monday, he posted a picture sitting up in his hospital. in a message he thanked botha and the rescuers. >> from my point of view, i was at the right place at the right time. there are so many people saving lives every day t