A person who transports a raft of floating logs downstream to a sawmill(noun)
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Use "raftsman" in a sentence
"“This nonsense was created,” Hershel Parker points out, “when Mark Twain agreed to drop, from between the two paragraphs, the raftsman episode, which contained the reason for the decision not to ask anyone else but just to watch out for the town.”"
"Flat and generally of sad aspect, the country of the raftsman lies remote and uncommended."
"AMOUNTED to something being a raftsman on such a craft as that."