An art therapist can help individuals with low self-esteem by creating a safe and non-judgmental environment where they can explore and express their feelings and emotions through art. The therapist can use creative techniques, such as drawing, painting, and sculpting, to help the person gain insight into their thoughts and beliefs, develop a greater understanding of themselves, and increase their self-awareness. Through this process, the person can begin to recognize and challenge negative thought patterns and develop a more positive self-image. Additionally, the act of creating art can boost confidence, provide a sense of accomplishment, and help build a greater sense of self-worth.