Question

what is the main job of a defender?
score goals
protect the goal and stop the other team
pass only
tell players where to stand

Explanation:

In sports like soccer, the primary role of a defender is to safeguard the team's goal and prevent the opposing team from scoring. Scoring goals is typically the forward's job, passing is a general skill not exclusive to defenders, and telling players where to stand is more of a coach or team - leader's task (not the main job of a defender).

Answer:

Protect the goal and stop the other team