General:
* Lost: The most basic and common word.
* Missing: Implies that something or someone is not in its/their expected location.
* Gone: Suggests a permanent disappearance.
* Strayed: Implies a wandering or unintentional departure from a known path.
* Misplaced: Refers to something that is in the wrong location but still likely to be found.
Specific meanings:
* Bewildered: Confused and unable to find one's way.
* Disoriented: Confused about one's surroundings.
* Desolate: Empty and abandoned, feeling hopeless.
* Dispossessed: Deprived of something that was rightfully theirs.
* Vanished: Disappeared completely without a trace.
The best word to use will depend on the specific situation and the nuance you want to convey.