Definition
A hostler is a person employed to care for horses at a stable, inn, or livery establishment. The term has historically carried three related but distinct meanings depending on the era and context:
1. (Ecclesiastical/Medieval) An officer of a monastery responsible for receiving and entertaining guests. In this sense, roughly equivalent to a hospitaller or guest-master.
2. (Old English law through approximately the Elizabethan period) An innkeeper; the proprietor of a hostelry who provided lodging, food, and care for travelers and their horses.
3. (Post-Elizabethan, the primary legal meaning) A keeper of a livery stable, or the groom employed at such a stable to tend horses. As the stabling of horses became a trade distinct from innkeeping, the legal responsibilities of this figure — particularly regarding the safekeeping of animals left in their care — became a matter of bailment law.
In a narrower modern usage, the term also applies to a railway worker who services and moves locomotives between runs, though this sense rarely appears in legal texts.
Common Language
Modern common usage (Wiktionary): A worker employed at an inn, hostelry, or stable to look after horses; also, a railway worker employed to care for a locomotive or other large engine.
Historical common usage (Webster's 1913): Originally, an innkeeper (now obsolete); then, the person who has care of horses at an inn or stable; also, the person who takes charge of a locomotive when left by the engineer after a trip.
The gap between common and legal usage is temporal and functional. In common speech, the word drifted downward — from innkeeper to groom — well before the law fully registered the shift. Legal texts written before approximately 1600 may use hostler to describe someone with the full duties and liabilities of an innkeeper; later texts use it to describe someone with only the narrower obligations of a stable-keeper or bailee of livestock. A reader encountering "hostler" in a legal source must establish the date before assuming which party and which set of duties are meant.
Common Confusion
Hostler and innkeeper were once interchangeable terms, and some early legal sources treat them as synonyms. By the post-Elizabethan period they describe different legal actors with different obligations. An innkeeper at common law was subject to the strict liability of the common carrier as to guests' property; a hostler or livery-stable keeper occupied a more limited position as a bailee for hire. Confusing the two in historical research can significantly misstate the standard of care being discussed. The related form ostler is simply a phonetic variant and carries identical meaning.
Why It Matters in Research
The chief research trap is chronological. The same word describes an innkeeper (with broad, near-absolute liability under common law) in medieval and early modern sources, and a stable-hand or livery operator (with the narrower duties of a bailee) in later sources. A case or treatise invoking "hostler" without context requires the researcher to pin down the date before the legal significance of the term can be assessed.
In bailment law materials, hostler appears in discussions of the liability owed to the owner of an animal left for care — questions of negligence, proper feeding, safekeeping, and injury. The livery stable hostler sits in a well-defined bailment relationship, and period cases exploring what care was owed to boarded horses often turn on this figure's duties.
Researchers working in employment law or labor history may encounter hostler in records involving stable workers, livery employees, and — later — railway yard workers. The railway sense, while not prominent in legal dictionaries, appears in labor contracts, insurance documents, and workers' compensation records from the late nineteenth and early twentieth centuries.
The term is largely obsolete in contemporary legal practice. Its continued relevance is almost entirely historical — in interpreting old deeds, inn records, livery contracts, bailee disputes, and ecclesiastical documents.
Historical Dictionary Support
Black's Law Dictionary (2nd Ed.) traces the full arc of the term carefully: monastic officer, then innkeeper, then livery-stable keeper, then stable groom. The entry's acknowledgment that the shift occurred "about the time of Queen Elizabeth" is a useful anchor for researchers trying to date which meaning applies in a given source.
Webster's 1913 adds the railway sense that Black's omits, reflecting the word's continued life in industrial and transportation contexts outside the law. Both sources agree that the innkeeper meaning is obsolete by the modern period. Neither source provides substantial treatment of the legal duties that attached to the figure under bailment doctrine — for that, researchers must turn to treatise literature on innkeepers and bailees rather than dictionary entries.
Jurisdictional Note
The common law distinctions between the hostler-as-innkeeper and the hostler-as-stable-keeper developed primarily in English law and were carried into American common law. Variations in how livery stable liability was defined across American states mean that the precise duty of care owed by a hostler could differ by jurisdiction, particularly in the period when livery stables were still economically significant (roughly 1800–1920).