rider
rid‧er /ˈraɪdə $ -ər/
noun [countable]1. someone who rides a horse, bicycle etc ⇨ cyclist:
a horse and rider
2. an extra or more detailed piece of information that is added to an official document and changes it slightly
rid‧er /ˈraɪdə $ -ər/
noun [countable]1. someone who rides a horse, bicycle etc ⇨ cyclist:
2. an extra or more detailed piece of information that is added to an official document and changes it slightly