Complex sentence: From 1996 to 2006, he represented the Province of Ra in the Senate as a nominee of the Great Council of Chiefs.He also use to be the member of the GCC but he was forced to give up his membership as he was nominated to the senate.
Split into simpler sentences: From 1996 to 2006, he represented the Province of Ra in the Senate as a nominee of the Great Council of Chiefs. He was formerly a member of the GCC, but was forced to give up his membership when he was nominated to the Senate.