The term "am guard" implies that someone is currently protecting or watching over something. Some antonyms for this phrase would be "off-duty," which suggests that the guard is not currently active, or "unprotected," which means that no one is keeping a watchful eye. Another antonym for "am guard" could be "intruder," since an intruder is attempting to bypass or break through the guard's protection. "Negligent" or "careless" could also be antonyms, as they imply that the guard is not fulfilling their duties adequately. Regardless of the antonym used, it is clear that the importance of an active and vigilant guard cannot be overstated.
