"Musta kääpiö" by Walter Scott is a novel published in 1816 as part of Tales of My Landlord. Set in the Scottish Borders during 1708, the story centers on a mysterious, misanthropic dwarf who lives as a hermit in the Liddesdale hills. Local people believe he has supernatural powers and diabolic connections. When he becomes entangled in a web involving star-crossed lovers, family feuds, Jacobite plotting, and a forced marriage, the reclusive figure must emerge from isolation to influence the fates of those around him.
Wikipedia page about this book: en.wikipedia.org/wiki/The_Black_Dwarf_(novel))