A contact language called Broken Slavey or Slavey Jargon flourished among the Gwich’in in the nineteenth century. Slavey Jargon absorbed elements of at least five source languages: French, Gwich’in, South Slavey (Dene-Tha’), Chipewyan, and English. Analyzing historical sources and recorded ethnographic texts from fluent speakers of Gwich’in, this paper offers an explanation of how the lexicon and grammar of this kaleidoscopic language converged regionally in the small subarctic communities of Fort McPherson, La Pierre’s House, and Fort Yukon. It is also concluded that there is no internal textual evidence that Slavey Jargon was used as a trading pidgin. The polyglot form of most Slavey Jargon texts represents a curious inseam of linguistic democracy, suggesting that a measure of social equality was negotiated between the speakers of its diverse component tongues.