"Cavalrypeople" can be replaced by several synonyms, depending on the context and audience. Some options include cavalry soldiers, horsemen, mounted troops, equestrians, knights, and riders. These terms all convey a similar meaning, but may evoke different periods or cultures. For example, "knights" might invoke a medieval or chivalrous context, while "mounted troops" may be more appropriate for a modern military setting. Similarly, "equestrians" may be more appropriate for a civilian context or leisure riding. Ultimately, choosing the most appropriate synonym for "cavalrypeople" will depend on the specific context and intended audience.