The phrase "be in the saddle" typically means to be in a position of control or authority. Some antonyms for this phrase might include "out of control" or "powerless." Other antonyms could include "out of the loop" or "out of touch," which suggest a lack of involvement or influence. Alternatively, one could use phrases like "off the hook" or "off the grid" to convey a sense of distance or disconnection from a situation. Ultimately, the antonyms for "be in the saddle" will depend on the context in which the phrase is used and the specific connotations that the writer or speaker wishes to convey.