How do a zebra stripes help a zebra?

It is an incredibly effective natural camouflage in the tall grasses of the African plains, protecting the Zebras from predators.

since zebras travel in herds, it creates a sort of illusion when they run/walk. it tricks predators into thinking that's it is one big animal instead of smaller animals Improvement from...

yes, its still in the horse family so it can be trained... They just need a lot of taming

A zedonk can have stripes. A zedonk is a cross between a donkey and a zebra. Don't worry, its real. People do breed donkeys with zebras. There's one at some zoo in america.

Kill some lions and cheetahs brutally, then go for the poachers.