Roderick hits or kicks Edwin on the playground nearly every day. He also encourages other children to laugh at Edwin's attempts to kick a ball. Roderick is using aggression against Edwin

bullying  

Explanation:

Roderick hits or kicks Edwin on the playground nearly every day. He also encourages other children to laugh at Edwin's attempts to kick a ball. Roderick is using bullying aggression against Edwin . Bullying is defined as an aggressive behavior characterized by an individual persistently and deliberately inflicting injury or discomfort to another person, usually a physically weaker person.

classical republicanism, also known as civic humanism, is a form of republicanism  developed in the renaissance inspired by the governmental forms and writings of  classical  antiquity, especially such  classical  writers as aristotle, polybius, and cicero.