There are several words that can be considered antonyms for the word "marshaler," depending on the context in which it is used. If we consider "marshaler" as someone who organizes or arranges things in a precise manner, antonyms could include "disorganizer," "confuser," or "disturber." Alternatively, if we think of "marshaler" as someone who leads or commands a group, antonyms could include "follower," "subordinate," or "underling." In any case, antonyms for "marshaler" suggest a lack of organization, precision, or authority, indicating a different approach to tasks or leadership styles.