Chivalrous men take helping those in danger as their personal duty.
Tips
usage
Almost always appears in the four-character set phrase 扶危济困 (fúwēi jìkùn, 'help the endangered, relieve the poor') or 扶危定倾 (fúwēi dìngqīng, 'shore up the imperiled, steady the toppling') — rarely standalone.