Rideout

English: occupational name for an outrider, from Middle English rid(en) ‘to ride’ + out ‘out’, ‘forth’. An outrider (Middle English outridere) was an officer of a sheriff's court or of a monastery whose duties included riding out to collect dues and supervise manors.

English: occupational name for a mounted warrior or messenger, late Old English rīdere (from rīdan ‘to ride’), a term quickly displaced after the Conquest by the new sense of Knight.