Palestinian Christian militant

Palestinians are not all Muslims. Palestinians are consisting of Palestinian christian and Palestinian Muslims but the percentage of Palestinian Christian has greatly diminished since the Israeli occupation especially during the Deir Yassin Massacre of 1948. As the stories of Palestinian Christian is not widely told, many people seem to forget their existence and take for granted that all Palestinian are Muslims and their plight has been forgotten.

I think he is a muslim because he stated that he is of Palestinian Descent

Yes, Palestinians (both Christians and Muslims) struggled during the Black September. There are some Christian leaders in the Palestinian resistance front.

The only city under Palestinian control with that situation is Bethlehem. However, the cities of Jerusalem, Nazareth, and Tiberias, which are under Israeli control also elicit controversy between Christian and Muslim ethnic Palestinian Israelis (Arab-Israelis).