Sheikh Nimr was an independent Shia Sheikh in al-Awamiyah, Eastern Province, Saudi Arabia. He was very popular among the youth as well as the critical of Saudi Arabian government. He was born in the year 1959 and he died on 2nd January of the year 2016 when he was at the age of 56. He had claimed that he was beaten by Mabihith when he was arrested in 2006. Later in 2009, he criticised the Saudi authorities as well as he suggested secession of Eastern Province if the rights of Saudi Shias were not better respected.
On 8th July of the year 2012, he was shot by the police in leg and arrested in what the police described as an exchanged of the gunfire. Thousands of the people protested in response in several of the protests in which two of the men were killed by police bullets. He then started the hunger strike and the appeared to have been tortured. The Asharq Center for the Human Right expressed the concern for the health of Sheikh during his hunger strike on 21st August calling for the international support for allowing access by his family, lawyer as well as human rights activist. The Guardian had described him as seeming to have become most popular Saudi Shia cleric among the local youth in October of 2011.
Sheikh was then sentenced to the death on 15th October of the year 2014 by the Specialized Criminal Court for seeking meddling in disobeying its rules as well as taking up arms against security forces and his brother named Mohammad al-Nimr who was arrested on same day for tweeting the information about death sentence. He was described as gaining popularity locally by the US diplomat Gfoeller in the year 2008. He then retained his popularity in 2012 with the thousands of people participated in the Qatif Street demonstrations in his support after his July 2012 arrest. Besides that, more details about his bio can be found in different sources.