The term "professional killers" is a disturbing and unsavory concept. Fortunately, there are antonyms that can help to convey a more positive message. These include words such as peacemaker, protector, defender, rescuer, caregiver, and healer. Each of these words implies a sense of compassion, kindness, and selflessness which are critical to creating a peaceful and harmonious world. While professional killers may make for thrilling movies, books, and video games, it is the peacemakers, protectors, and healers who make a real difference in the world. By focusing on these antonyms, we can emphasize the need for love, harmony, and kindness instead of violence and bloodshed.