What is pardner?

Some articles on pardner:

Paint Your Wagon (film) - Plot
... Ben stakes a claim on the land and adopts the surviving brother as his "Pardner" while he recuperates ... Pardner is initially innocent and romantic, illustrated by him singing a pining love song about a girl named Elisa ("I Still See Elisa"), who he later ... Pardner is a farmer who hopes to make enough in the gold rush to buy some land, and is openly suspicious of the drunken and seemingly amoral Ben ...
H & R Firearms - Products - Shotguns
... Pardner shotgun (Single shot) ... and Survivor models available in addition to the standard Pardner ... Pardner Pump shotgun (Imported) ...
Paint Your Wagon (film) - Differences Between Stage and Film Versions
... The character "Julio" is replaced by "Pardner", now an American and Ben's partner in the gold claim ... Additionally, in the film it is Pardner who falls in love with Elizabeth, Ben's wife under mining law, rather than the stage musical character Edgar Crocker ... The temporary polyamorous solution to the love triangle among Ben, Pardner and Elizabeth appears only in the film as well ...