There called stanzas so it won't be a run on sentence
Explanation:
The poet is describing the journey towards the goals and dreams he has, and therefore encourages us through his words not to get tired, to move on, to keep fighting for our goals, for what we really want to do in life, it is a poet with a motivational message that teaches us that with efforts and with a positive attitude we can achieve what we want.
Since there is no choice options, there could be lots of different answers like: survivers, travelers, etc. It all depends, can you put the options (if there is any) in the comments of my question? Then i can answer, thanks!
Relating or affecting a fundamental nature of something
