Osman Rahim Ahmed, known as (Osman Shera), was born in 1941 in the village of Pirdawd in the Shamamak sub-district of the Qushtapa district of Erbil province. He was a villager and engaged in farming. He completed primary school. 

Osman Shera joined the Peshmerga forces of the Aylul Revolution in 1962 and became a Peshmerga in the Ali Sharifi branch of the Erbil Plain Battalion of the Kurdistan Democratic Party. In 1962, he participated in the Battle of Pirdawd village, and in 1963, he participated in the Qarachogh epic and the Dara-Bzmara epic. In 1962, in the Battle of Pirdawd village, which was a military attack by the then-Iraqi army on a group of Peshmerga, Osman Shera was wounded and managed to escape while wounded. 

In 1963, Osman Shera and a comrade wanted to return to Mount Qarachogh, but behind the village of Qucha Balbas at the foot of Mount Qarachogh, they fell into an ambush by a leader of the pro-government militia (Jash) of the then-Iraqi regime. At the beginning of the confrontation, his comrade Ali Qadri was martyred, and Osman Shera resisted alone for one hour. However, due to the lack of ammunition and combat supplies, he was captured by the Jash and was executed by firing squad inside the village of Qacha Balbas and was martyred.

Source: 

1- Archive of the Kurdistan Democratic Party Encyclopedia Board.