Hostler
Hostler , noun
[Old English hosteler, osteler, innkeeper, Old French hostelier, French hôtelier. See Hostel, and compare Hospitaler, Hosteler.]
1.
An innkeeper. [Obs.] See Hosteler.
2.
The person who has the care of horses at an inn or stable; hence, any one who takes care of horses; a groom; -- so called because the innkeeper formerly attended to this duty in person.
3.
(Railroad) The person who takes charge of a locomotive when it is left by the engineer after a trip.