In making a description of the White Fang, the readers of the story are told about the character of the White Fang which includes always moving continually towards the wall of light. When he would display this attribute of his, his mother also known as the She-wolf would caution him and his brothers and sisters and lead them away from the source of light.
The story White Fang is about a dog named White Fang who was formerly shielded by his parents. His father is the one-eyed dog who takes it upon himself to feed his family by regularly going to bring meat for them. They all dispersed eventually and White Fang learned to be independent and be a fighter for himself.
This sentence has a compound subject. A compound subject contains more than one subject - as you can see here, there are two subjects: Jason AND Raci, which makes this subject a compound one (made of at least 2 entities). Nothing else is compound in this sentence.