Ipotane

In Greek mythology, Ipotanes were a race of half-horse, half-humans; the original version of the satyr.

The typical Ipotane looked overall human, but had the legs, hindquarters, tail, and ears of a horse. However, some had humanlike rather than horselike legs. The Greek suggested by "ipotane" is (hippotes). It means a person riding a horse. It is also used as an adjective as in (hippotes leos) — horse riding people. The definition given above would fit — "horse-people".

Such a person would not look "overall human"; rather, the torso would look human.