Maybe this has nothing to do with the jihad. But the hostility of Muslims to Christian missionaries is well-established -- look at the [1] threats in Indonesia.

From [2] Reuters, with thanks to Jeff Lastname:

An American Christian pastor has been stabbed in the Algerian capital, prompting security services to investigate any possible link to Islamist rebels.

According to diplomatic sources, Hugh Johnson of the Protestant Church of Algeria was stabbed by an unknown assailant in downtown Algiers and later underwent surgery.

His condition was not life-threatening, diplomats said.

Police said the investigation to determine any link with terrorism was under way.