Dream killers refer to people or factors that prevent individuals from pursuing and achieving their dreams and goals. Dream killers can take various forms, such as negative comments and criticism from others, lack of support or encouragement, self-doubt, fear, financial constraints, or societal expectations. They can undermine one's confidence and motivation, causing them to give up on their aspirations. It is essential to recognize and confront dream killers to overcome them and pursue a fulfilling life.