Because they are not afraid of humans, they steal whatever items or food they can find from unwary visitors.
The space was like the confines of a cavern, where ghoulish hands might stretch forth and clasp the unwary visitor.
"How many unwary visitors have you fed wine?"
"Callously, you leave it open, a trap for unwary visitors."
Generally though, unwary visitors are parted from their money through scams, and these are something that you really do have to watch out for.
Tourist destinations may be more likely to make this charge, which unwary visitors may not anticipate.
Perhaps the first stool was a trick of some sort, placed there for unwary visitors.
The legend holds that such unwary visitors are never seen again.
During rainy weather there are many leeches lurking along paths that will attempt to suck blood from the feet and legs of unwary visitors.
Between now and 3 June, the unwary visitor may well fall into it.