The elves in "The Hobbit" did not know how the dwarves could have travelled there. They thought the barrels were all empty.
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In The Hobbit, the raft men were astonished because the dwarves escaped without being noticed.
They knew the dwarves had escaped from the elven king's dungeon. They did not expect them to be free and in Laketown.
The Mountain
The men felt that the deserved it after killing the dragon
Smaug doesn't recognize the scent of Hobbit, although he knows what dwarves and men smell like.
It is a group of Men, Northmen, who settle on the Long Lake. Descendants of Dale also reside there.
The Hobbit contains many human characters, including the men of Laketown, most notably Bard the Bowman. Gandalf appears in human form, but he is not a human.