Jafar Ahmed Sadik (born 4 January 1996), better known as Jaffar Byn or JB, is a Swedish-Somali rapper.
Sadik was born in Rinkeby, Stockholm, Sweden. He resides in Rinkeby.
In 2017, he was sentenced to four years imprisonment for the possession of weapons; he was released in October 2020 after serving three years of his sentence.