"This is my job, and I love what I do," Ryder Williams, 16, said of the rescue.

A terrifying video shows a rescue at a Santa Cruz beach when a child was swept into powerful waves, prompting a 16-year-old lifeguard to save the child’s life.

A child was saved from the ocean in a dramatic rescue after being pulled in by powerful waves. Footage captured by witness Scott Vander Dussem shows a Santa Cruz lifeguard, who is…