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.
He should have used Al's surname and introduced him first. The manager is the more important person, which is why his name would be the first mentioned. Jim also did not introduce John as his brother, so Al has no idea who or why he is being introduced.
