Hanzaki's Thieves

Original Hanzaki's Thieves

In Naruto, there was a filler episode depicting a fraction of the Fuuma clan to be run down to a band of thieves, which was taken care of in the manga/anime.

Hanzaki, which was their leader, was defeated and promised to take care of Sasame.

Hanzaki's Thieves in SL

Basically they fill in the role of street robbers, and they are after your gems.