Riffraff (noun)
rif-raf
A group of people regarded as disreputable or worthless
First used in English between 1425–75 and from late Middle English rif and raf, “every particle, things of small value.” From Old French rif et raf, formed on rifler, “to spoil.”
Example sentences
“It was the riffraff that hung around the local park that were the main concern.”