Complex sentence: "Dissatisfied Existence" tells how the protagonist has "gone about his own affairs" but yet is still faced with "other person's problems" and is trying to find the "meaning of his life".
Split into simpler sentences: Dissatisfied Existence tells how the protagonist has "gone about his own affairs"but yet is still faced with "other person's problems". Through it all, he is trying to find the "meaning of his life".