Pan-Arabism has no relation to terrorism. Pan-Arabism is a secular ideology based on Nationalist doctrines and ethnic unity/hegemony. Terrorism (in the Arab World) is based on twisted perceptions of religious concepts like Jihad and Sacrifice for the Faith. The only commonality between these two movements was that they were both proposed in the same time and in the same place, (but by two very different groups of people).

State Terrorism, Cyber Terrorism, Eco Terrorism, Bio Terrorism

no he was not a nationalist

The Nationalist was created in 1890.

No. The GAA is a sporting organisation. As it promotes Irish sport, it is seen as part of the wider nationalist sphere of Irishness, but that does not mean it is involved in terrorism and as stated, it is a sporting organisation, the largest amateur sporting organisation in the world.