You see, natives have very limited sense of personal possessions. If you carry something with you, then it is in use and shouldn't be taken away. There is concept that an object, sitting by itself, has an owner. Whoever needs use of it takes it and uses it, and then puts it down again. Property is communal.
Sharing is understood and accepted without question.
This is a good example of cultural differences because the native value of sharing can be considered to be closer to the values Christ taught than the white value of ownership. We cannot claim to be a Christian culture. So from these two limited examples, we can see what lack of understanding can bring. A white person who doesn't understand these things may easily conclude that natives are uncleanly and a bunch of thieves. We may try and love them anyway.