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It certainly is no "portrait",
Not a "typical" one anyway ... rather an environmental one.
As a former firefighter who has had to roll up the hoses and restow them in preparation for the next time, I can appreciate the image and the body language involved here. The fire might be out, but the job isn't finished. Note: I realize the hose is still charged, and will have to be drained.
Imo, it is a portrait of a man at work with his colleagues. I think the "faceless portrait" fits the occupation (and likely the person) well.
+1 @ bonus points.
I would have liked to have seen just a touch more space to the left of the hose so it has room to "come back around". I cloned out the person just in front of your dad's face, and threw a little gradient levels to try & promote your dad a bit more with some light from the rhs. Also a little crop on the rhs & top.
"What's the point?" / "What's the message you want to convey to your viewer?"
Imo, the "missing focal point" isn't really missing ... it is the walk to the end of the hose to "walk it down" (drain) restock & restow that is integral to the story. While many people might not be able to relate to such an element being important to the image here ... FF's know what this is all about. The work being well done here will save valuable time when moments matter in the future. This is the "behind the scenes" part of the job ... you're tired and worn out physically & emotionally, but you know how important it is to do a good job to get ready for the next time, even if this one was only hydrostatic testing, training, etc.
Props to your family for their service.