ragamuffin (n.)

• beachcomber
• beggar
• bo
• bum
• bummer
• dogie
• gamin
• gamine
• guttersnipe
• hobo
• idler
• loafer
• orphan
• ragpicker
• rounder
• scarecrow
• stiff
• stray
• sundowner
• swagman
• tatterdemalion
• tramp
• urchin
• vagabond
• vagrant
• waif
• wastrel