The phrase "young fireman" refers to a person who is relatively new or recently trained as a firefighter and is still in the early stages of their career. Full definition
In «Fahrenheit 451», young fireman Montag (Jordan) struggles to regain his humanity in a future where media is opiate and history is outlawed. (moviehole.net)
Learning these lessons sooner would likely have protected Young FIREman from spending that money. (dividendfireman.com)
So he bought new fire hoses, and then, just to get it through the young fireman's head that it was water that put fire's out, the fire chief made it the young fireman's responsibility to fill all the fire trucks with water, all the while saying to himself «Water puts out fires, not hoses. (redeeminggod.com)