rider (n.)
- addendum
- affix
- appendix
- bidet
- bill
- broncobuster
- buckaroo
- calendar
- cavalier
- cavalryman
- chevalier
- clause
- coda
- codicil
- commentary
- cowboy
- cowgirl
- cowpuncher
- envoi
- epilogue
- equestrian
- filler
- gaucho
- hack
- hackney
- horseman
- horsewoman
- hunter
- infix
- interpolation
- jockey
- joker
- jument
- knight
- lead
- leader
- marginalia
- motion
- mount
- note
- palfrey
- post-horse
- postilion
- postscript
- prefix
- proviso
- puncher
- question
- remount
- roadster
- roughrider
- saddler
- scholia
- stalking-horse
- steeplechaser
- suffix
- sumpter
- supplement
- tail
- vaquero
- wheeler
- workhorse
Once more upon the waters! yet once more!
And the waves bound beneath me as a steed
That knows his rider.