Possible meanings of "light" are 1) visible light or 2) spiritual light, which refers to God or living righteously. AT: "hate the daylight" or "do not want to do things openly" or "rebel against God" (See: [[rc://en/ta/man/translate/figs-metaphor]])
These two lines describe the same thing, and are used together to emphasize that they do not want to follow the ways of the light. AT: "they do not know how to live a moral life; they stay far away from living a righteous life" (See: [[rc://en/ta/man/translate/figs-metaphor]] and [[rc://en/ta/man/translate/figs-parallelism]])
The words "poor" and "needy" refer to the same group of people and emphasize that these are people who are unable to help themselves. (See: [[rc://en/ta/man/translate/figs-doublet]])
The murderer kills in secret just like a thief steals without anyone seeing what he does. AT: "he kills people secretly, just like a thief steals secretly" (See: [[rc://en/ta/man/translate/figs-simile]])