Based on the information present in the given passage, you need to write a correct answer to the given question. A correct answer is one that correctly and completely answers the question. Do not write answers that address the question partially or incorrectly. The correct answer must be contained in the given paragraph.

Paragraph- Sent 1: A stranger in town meets pretty young Susan Martinez De La Cruz and accompanies her to a barbecue , where wealthy Jason Carberry is saying a few words for the recently departed Robin Randall , a citizen who got shot .
Sent 2: Jason objects to the stranger's presence , being Susan's guardian and protective of her .
Sent 3: He challenges him to a shootout , but the stranger pulls his pistol before Jason's can even clear the holster .
Sent 4: Calaveras Kate , a saloon singer who's in love with Jason , is relieved when the stranger declines to pull the trigger .
Sent 5: Rafael Moreno suddenly rides into town and picks a fight with the stranger .
Sent 6: Their brawl continues until the arrival of Judge Wallace Wintrop and his niece , Sheila , who have come to town from back East and deplore all this random violence out West .
Sent 7: The stranger is recognized as Reb Randall , the dead man's brother .
Sent 8: He is looking for the killer , who could be Rafael , or could be Jason , or could even be Billy Buckett , the coward of the county .
Sent 9: The women hold their breath to see if the men they love will survive . 
Question: Who is the stranger?.
The dead man's brother.