Samaritan

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++Sa·mar·i·tan /səˈmærətən/ noun [countable]  good Samaritan HELPsomeone, especially a stranger, who helps you when you have problems or need something 助人为乐者

Examples from the Corpus

Samaritan• Had she been prompted by curiosity or the instincts of the good Samaritan, Theodora wondered.Origin Samaritan (1600-1700) From the Bible story of a person from Samaria (an area of ancient Palestine) who stopped and helped a man who had been attacked and robbed

Sa·mar·i·tan nounChineseSyllable  

Corpus you helps a especially who when stranger, someone,

Samaritan
Sa‧mar‧i‧tan /səˈmærətən, səˈmærɪtən/ noun [countable]good Samaritan someone, especially a stranger, who helps you when you have problems or need something

Sa·mar·itanBrE /səˈmærɪtən/ 🔊NAmE /səˈmærɪtən/ 🔊 noun●a ˌgood Saˈmaritana person who gives help and sympathy to people who need it 善良的撒马利亚人；善人；乐善好施者 ORIGIN From the Bible story of a person from Samaria who helps an injured man that nobody else will help. 源自《圣经》，一个撒马利亚人向一个受伤但无人给予帮助的人伸出援助之手。