A person who works in a stable, caring for and managing horses.
From Middle English 'stabul' (stable), derived from Old French 'estable,' which came from Latin 'stabulum' meaning a place to stand. The -er suffix makes it an agent noun meaning 'one who works in stables.'
The word 'stableman' or 'stabler' was once a crucial job in society—before cars, whoever took care of your horses was as important as a car mechanic is today, and you can see how many old surnames like 'Marshall' and 'Farrier' come from stable and horse work.
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