It is a typical, even stereotypical, West Bank settlement scene: bearded young men pruning vines while enthusing about the Chosen People’s God-given right to this region. But in this case it is Jesus, and not Jewish identity, that animates these tillers.

For years, Westerners have flocked to the Israeli-occupied West Bank to help Palestinians with their olive harvest, as part of left-wing activist groups like the International Solidarity Movement. Among other things, the activists seek to resist efforts by settlers to disrupt the Palestinians’ reaping.