Lashkar-e-Omar (LEO) is an extremist group that operates mainly in Afghanistan and Pakistan. The group was founded in the early 2000s and has been responsible for a number of attacks on civilians, military personnel, and international organizations in the region. Synonyms for Lashkar-e-Omar include terror group, militant organization, extremist outfit, and radical faction. These terms are used to describe groups that use violence and intimidation to advance their political or religious agenda. While Lashkar-e-Omar is a specific group with its own distinct history and goals, it is just one of many extremist organizations operating in the region.