1) A national citizen of the State of Israel.
2) A double-nationality citizen of Israel (the other nationality is often European or North American) whose non-Israeli passport might be used in an overseas assassination attempt.
See Israel Palestine
European-Israeli citizen 1: "Dude! I saw my photo on the list of those wanted by the Interpol for the killing of Hamas man in Dubai!"
European citizen 1: "It sure was a mistake to take your European passport with you to Israel!"