Sentence:  Here, over fiery "monaghahela," Jean Batiste, the sallow half-breed voyageur from the north—and who, deserting the service of the "North West" (the Hudson's Bay Company), has come down the Mississippi, from the "Falls," to try the sweets and the liberty of "free" trapping—<WSD>hobnobs</WSD> with a stalwart leather-clad "boy," just returned from trapping on the waters of Grand River, on the western side the mountains, who interlards his mountain jargon with Spanish words picked up in Taos and California. 
Meaning of the word marked with <WSD> tags:  To associate with in a friendly manner, often with those of a higher class or status.