The Old Cajun is a man living in the Bluewater Marsh.
Events of Red Dead Redemption 2
At night the Old Cajun is seen camping in the Bluewater Marsh. He is seen trying fight off insects attacking him. The player will ask what is all the commotion. Old Cajun will ask if the player is loon or something and that this Night Folk country.
The protagonist tells the Old Cajun that he should clear out, if he is troubled by the night. The Old Cajun tell the protagonist that he has problems with the Night Folk, who have taken over his home in the marsh and seeks player's help clearing them out. Along the way he will tell the protagonist that Night Folk are bad people that savagely murder people and they do not utter a word at all. Eventually, they find some victims, who were killed by the Night Folk. Once the player arrives at the Old Cajun's home, he and player fight off the Night Folk on the property. He and the protagonist enter the house, but they hear a loud screech outside and more Night Folk arrive to attack them. After repelling the Night Folk, the Old Cajun rewards the player for helping him.
A old man with big beard and wears only overalls. He has a rope holding his gun holster.
He appears to a very friendly man and seems to be very talkative.