who does delaney hit with his car and why doesn’t the victim seek medical attention

Part I of the novel opens with Delaney Mossbacher, a middle-class, white American and nature enthusiast, hitting thirty-three year old Cándido Rincón, an illegal Mexican immigrant, with his car as the latter was crossing the road in Topanga Canyon, near Los Angelels, California. Though the Mexican is badly injured, he simply accepts twenty dollars from Delaney and the two part ways. The illegal immigrant can't risk being found out and deported by seeking medical attention.

are you seriously retardet? You fucking uneducated spastic it says literally on the first 10 pages whom he hits and how he feels about it: