A good samaritan is one who helps another in a time of need with no thought
of reward. This is a story from the bible. Luke 10:30/33. 'A certain man
went down from Jerusalem to Jericho, and fell among thieves, which stripped
him of his raiment, and wounded him, and departed, leaving him half dead...
But a certain Samaritan, as he journeyed, came where he was: and when
he saw him, he had compassion on him,'.