The term "be devil" refers to causing trouble, tormenting or harassing someone. Opposite or antonyms of the word "be devil" include comfort, soothe, solace, ease, and delight. Comfort and soothe refer to providing emotional support to someone in distress, while solace means offering help or consolation during a difficult time. Delight, on the other hand, means to please someone or make them happy. These antonyms of "be devil" indicate that it is possible to bring relief and joy to someone who may be suffering or experiencing difficulties in various ways.