rider

UK: ˈraɪdə | US: ˈraɪdər

Definition
  1. n. a person who rides an animal, bicycle, or vehicle

  2. n. an additional clause or provision added to a document (e.g., a legislative bill)

  3. n. (informal) a passenger in a vehicle

Structure
ride <to travel on or in>er <agent noun suffix>
Etymology

The word "rider" originates from Old English rīdere, derived from the verb rīdan ("to ride") + the agent suffix -ere. The verb "ride" itself traces back to Proto-Germanic rīdaną, meaning "to move atop or be carried." Over time, the suffix -er (from Old English -ere) became a standard way to denote a person performing an action. The secondary meaning ("additional clause") emerged metaphorically in the 17th century, likening appended legal terms to a person "riding along" with a document.

Examples
  1. The rider skillfully guided the horse through the obstacle course.

  2. A controversial rider was attached to the budget bill.

  3. She works as a bike courier and is an experienced rider.

  4. The taxi driver picked up a rider at the airport.

  5. The insurance policy included a rider for flood damage.