"Ethics" is the examination of the systematizing, defending, and recommending concepts of right and wrong conduct.
Why study "Ethics"? understand the psychology and philosophy that underlies decision making, and to allow us to make better moral decisions in the future.
Several topics in "Ethics" include history, philosophers, applications.
A few scholars of "Ethics" include Alain Badiou, Dietrich Bonhoeffer, Piers Benn.