A Christian should not be aligning with an organization who's purpose is "killing Jews"
whether it be Nazi party, Hamas, Hezbollah, or Iran.
Unfortunately, many Arab Christians not only support terrorism against Israel; they also participate in it. Some of the militant groups involved in the Arab-Israeli conflict include Arab Christian members, and some of the leaders of these groups are Christians. I'll give some examples.
Nabil Abu Rudeineh is a Christian from Bethlehem and a member of the ruling Fatah Central Committee, is currently the Palestinian Authority’s deputy prime minister and spokesman for the Palestine Liberation Organization and its President Mahmoud Abbas. (The PLO renounced terrorism and is not considered to be terrorist group, however, it is an umbrella group which has terrorist groups under it)
Khalil al-Sakakini was a Christian Palestinian and one of the founding fathers of Arab nationalism applauded the Arab attacks on Jews during the Arab Revolt of1936-39. He once said,
"If I hate the Zionist movement, it is because it is trying to build its independence on the rubble of other nations. Occupying Palestine is like occupying the heart of the Arab nation."
"The battle in Palestine is in full force... Victory is in the hands of God. If we live, we shall live with honor. If we die, we shall die with honor."
Sirhan Bishara Sirhan, a Christian born in Jerusalem who later became a Jordanian citizen after Jordan annexed the West Bank, killed Senator Robert F. Kennedy on June 5, 1968, because it coincided with the first anniversary of Israel’s stunning victory during the Six-Day War. Sirhan said in court that he hated Kennedy because he had supported Israel.
"My only connection with Robert Kennedy was his sole support of Israel and his deliberate attempt to send those 50 fighter jets to Israel to obviously do harm to the Palestinians."
Chris Bandak, a Christian Palestinian and former leader of the Al-Aqsa Martyrs' Brigades, was arrested at the Church of the Nativity after he killed at least two Israelis and seriously wounded a third in 2002. He received four life sentences. Hamas fought for his release as part of a prisoner exchange, and he was released in 2011.
Hilarion Capucci, a Syrian Catholic bishop, was arrested by the security forces of Israel for smuggling weapons into the West Bank for the Palestine Liberation Army and sentenced to 12 years in prison.
Ameer Makhoul a Christian Palestinian citizen of Israel, was arrested and jailed for spying on behalf of Hezbollah.
The Democratic Front for the Liberation of Palestine (DFLP) was founded by and is currently led by a Jordanian Christian, Nayif Hawatmeh. Membership of this terrorist group is made up of both Muslims and Christians. The DFLP's militant wing, the National Resistance Brigades, participated in the October 7th terrorist attack on Israel.
Today, we in the National Resistance Brigades (the forces of the martyr Omar Al-Qasim) are writing an unparalleled heroic epic in defense of our Palestinian people and their sanctities, which has revealed the fragility of the enemy’s security and defense system and its defeated army. We confirm that our fighters are still engaged in clashes alongside their comrades from all Palestinian factions. Violent violence occurred at a number of Zionist sites inside our territories occupied in 1948 as part of the heroic “Al-Aqsa Flood” operation. -- Abu Khaled, the military spokesman for the National Resistance Brigades, the military wing of the Democratic Front for the Liberation of Palestine
Other notable attacks:
16 February 2002: Two teenage Israelis were killed and 20 others were wounded when a Palestinian suicide bomber blew himself up outside a pizzeria in the Israeli West Bank settlement of Karnei Shomron.
13 November 1975: A bomb was detonated at an ice cream parlor in Jerusalem, killing seven teenagers and injuring 42 others.
14–15 May 1974: Members of the DFLP entered Netiv Meir Elementary School, taking hostages, mainly children, which ended in the murder of 25 hostages and six other civilians.
The Popular Front for the Liberation of Palestine (PFLP) was founded by George Habash, a Christian. It's one of the most radical and militant Palestinian factions. Under the leadership of Habash this group carried out several deadly bombings in Israel and was responsible for multiple airplane hijackings in the 1970s.
Some other attacks include:
23 AUGUST 2019: A PFLP cell detonates an explosive device near an Israeli settlement, killing a 17-year-old girl and wounding her father and brother.
18 NOVEMBER 2014: Two PFLP-affiliated Palestinians attack Israeli worshippers in a synagogue in Jerusalem with guns, knives, and axes, killing five—including three Americans—and injuring 12.
1 NOVEMBER 2004: Eli Amer Alfar, a teenage Palestinian suicide bomber, struck an outdoor market in Tel Aviv, Israel, killing three people and wounding 32.
25 DECEMBER 2003: A suicide bomber, identified as 18-year old Palestinian Said Hanani, detonated a bomb in a bus in Tel Aviv, Israel. At least four people, including three women and one man, were killed and thirteen other people were injured.
17 OCTOBER 2001: Two PFLP gunmen assassinate Israeli Tourism Minister Rehavam Ze’evi in a hotel in Jerusalem in retaliation for an Israeli airstrike that killed then PFLP leader Abu Ali Mustafa.
30 MAY 1972: PFLP and Japanese Red Army faction gunmen murder two dozen passengers at Israel’s Ben-Gurion Airport International Airport.
According to START and the Global Terrorism Database, where much of the above information comes from, between 1970 and 2020, the Popular Front for the Liberation of Palestine and the Democratic Front for the Liberation of Palestine carried out more than 220 terrorist attacks targeting Israel and its interests.