Symbol: The New Testament in “The Revelation of John” speaks of four riders: the rider on a white horse is the symbol of Christ himself; the rider on a fiery-red horse represents war, the rider on a black horse with a scale in his hand means hunger; and the rider on a greenish horse symbolizes pestilence.
Vision: Seeing a rider on a horse: your prestige is growing and your climb up the career ladder is going well. Riding a horse in full gallop: you are chasing a questionable goal and need to be more realistic. It young girls see a rider on a horse: a love affair is in the making.
Depth Psychology: See Horse, Horseback Riding, Riding.... Dreamers Dictionary