Why are some skills easier to do than others

In what critical way is the protagonist dynamic in "there's a man in the habit of hitting me on the head with an umbrella"?

The missionaries who appear in the novel are colonists from britain portugal spain italy

Read the excerpt below and answer the question. for a long time she held her neck erect; then her head sank, slowly. her ribs swelled with a mighty heave and she went over. as it is used in this excerpt from “the man who was almost a man,” the phrase “went over” most likely means died escaped jumped vomited