Visible here is a Jawa. This race of little scavengers and mechanics tend to make their living by trading in the Mos Eisley spaceport and with the few settlements and farms of Tatooine with scavenged machinery and droids that they manage to obtain in one way or another.

To find more information about the Jawas, please visit the official following web site's pages at:
http://www.starwars.com/aliens/jawas/
http://www.starwars.com/locations/tatooine-iv/