The term "horseback riders" can be replaced by various synonyms depending on the context. For instance, "equestrians" is a suitable term when referring to individuals who ride horses for sport or leisure purposes. In a historical or cultural context, "cavalry" can be used to describe soldiers who ride horses. A rider on horseback used for transportation purposes may be referred to as a "horseman" or "horsewoman". Other less common synonyms for "horseback riders" include "jockey", "horse-person", and "mounted adventurer". When in doubt, it is best to consider the context and audience to determine the most appropriate synonym for this term.