Sebastian Salbert better known as Rahim (born November 17, 1978, in Katowice) is a Polish rapper, producer and entrepreneur. He is the owner of record company MaxFloRec, the former member of groups such as 3xKlan, MZD, Erka and Paktofonika. Since 2003 he has been the one half of a duo Pokahontaz which he creates with Fokus. He has released several albums under his alter ego Straho.

In 2001 he, along with his then group Paktofonika, received the Polish music award Fryderyk in Album of the year - hip-hop category for their album Kinematografia. In 2011, magazine Machina classified him at number 25 on list of "30 best Polish rappers".

He has a younger brother, Minx, who is a beatboxer and won Polish championship in beatbox in 2007.