After a couple of miles, the road passed by an apple orchard. The wobbly hopped over the fence, and sat down to rest under the shade of a big apple tree.
The wobbly sat there enjoying the shade for 20 minutes, until a farmer came across him. "You can't be here!" exclaimed the farmer, "This is my land!"
The wobbly looked up at the farmer and asked "Really? What makes it your land?"
"What are you talking about you dirty tramp, I inherited it from my father!" replied the farmer, almost bewildered at such an indignant question.
"Hmm, and what made it his land?" asked the wobbly.
"Why, he inherited it from his father!" replied the farmer, now really angry. "It's been in my family for three generations!"
"And what made it your grandfather's land?" asked the wobbly.
The farmer, now barely able to contain himself, yelled proudly "Why! My grandpappy fought the indians for it!"
The wobbly nodded, stood up, pulled back his sleeves, and replied "Uh huh. Then I'll fight you for it, right now."
The point being that a lot of these conceptions about who belongs and who doesn't are based on private property, but that there fundamentally isn't any real justification for private property. Even John Locke's attempts to justify it break down.
I can understand two groups being in conflict with each-other, but I can't understand conceptualizing one as the "guests" of the other group simply because they don't own property.