Jassem H., also known by his nickname Abbass Khosreji, was accused of being Mohareb, or waging war on God.
In the past, Irans judiciary has executed political opponents of the Islamic Republic on the charge of being a Mohareb.
Ahwaz, provincial capital of Khuzistan, is home to Irans ethnic Arab population and has been a hotbed of anti-government demonstrations. Throughout the months of April and July, the city was the scene of large-scale clashes between people and government forces.
Separately, on Friday, a young man identified only as Mohammad-Reza F. was hanged in a penitentiary centre in the city of Yazd, central Iran.
