The antonyms for the phrase "being on back of" are quite versatile, since this expression expresses the idea of controlling or directing something or someone from behind. Antonyms could include phrases such as "leading from the front," "taking charge," and "leading the way." These expressions signify a more proactive stance, emphasizing a sense of agency and control over the situation. Other antonyms might include "stepping forward," "standing alone," and "being proactive." All of these expressions suggest a greater level of confidence and willingness to take risks than being on the back of may imply. Ultimately, it's important to remember that antonyms are not simply the reverse of a given phrase or word, but represent a whole spectrum of potential meanings and interpretations.