Trespasser A trespasser is when one enters the property of another without the owner's or possessor's Consent Here, Although Alee decided to seek shelter in Bob's Grocery Store during a thunderstorm, she is considered a known trespasser and Bob's store owes her a duty to warn of dangers on their property, which she did not likely notice a display near the entryway. Bob can argue that Alce had fallen because of the rain water on her shoes slipped by accident. Alec can argue that the store should have provide a safe environment for customer, especially at the entryway. Therefore, will be found as an invite: and Bob's Grocery Store owes a duty of care