1. a person who helps someone in need, especially a stranger
Usage: often capitalized as ‘Good Samaritan’
2. a member of an ancient people living in Samaria
Usage: historical; often capitalized

Examples

• A good samaritan stopped to help when our car broke down.
• The woman acted like a samaritan, offering food to the homeless man.
• He was a true samaritan who volunteered at the shelter every weekend.
• The samaritan called an ambulance for the injured cyclist.
• She thanked the samaritan who had returned her lost wallet.
• The biblical parable tells of a Samaritan who helped a wounded traveler.