Cognitive and cultural embeddedness: combining institutional economics and economic sociology
According to this, pederasty is sexual relations between two males, especially when one of them is a minor. Other definitions, like the one that JSBangs found, differ slightly. But otherwise, I think you answered the question yourself: pedophile refers to the attraction, while pederasty refers to the act itself.
What is Abdominoplasty? Abdominoplasty, also known as a tummy tuck or simply TT, is surgery to remove excess skin and fat on the abdomen that may accumulate after pregnancy, obesity, or age. In a full abdominoplasty, the abdominal muscles and connective tissue (or fascia) that may have become stretched out or lax over time are also tightened.