Ostler
/ˈɑːslər/
Definition 1 of 1
Pro Tip 1/3Historical Usage
Ostler is rarely used today but common in historical novels or discussions about the past. 
The coachman spoke to the ostler about a place for his horses.
Pro Tip 2/3Evolving Roles
Modern equivalents are stablehands or groomsmen since 'ostler' is outdated. 
At the medieval fair, one actor played the role of an ostler.
Pro Tip 3/3Cultural Depictions
Ostlers are often depicted in literature as humble caretakers of the stables. 
The novel featured an old ostler who knew all the village's secrets.