"Street beggars" refers to people who ask for money or other forms of assistance from strangers in public places, typically because they are homeless or in extreme poverty. Full definition
Throughout Atlas Shrugged, Dagny and other characters are shown giving money to street beggars without a second thought. (religion.blogs.cnn.com)
Abby is incredulous at the way her mom is a pushover for street beggars; Kate can hardly enjoy a meal without taking a doggie bag to a homeless man. (rogerebert.com)
Proceed with caution as a simple street beggar may be a traveling Grand Master in disguise! (onrpg.com)