Castaway (noun)

1. A person who has been thrown away or rejected.
2. A person who is shipwrecked and cast ashore.

Origin:

Late 16th century (as a verb): from cast + away.

Examples:

1. The castaway had to survive on the deserted island.
2. After the shipwreck, the castaway lived off the land.
3. The castaway struggled to find food and shelter.
4. The castaway was rescued after being stranded for several months.
5. The castaway was happy to be reunited with his family.