For 10 points, name this Shi'ite practice of hiding or concealing one's faith during times of imminent danger.
A "reconciliatory" type of this practice is permitted, but not obligatory, when one wishes to "soften the hearts" of the other side. This doctrine is invoked to derive that it is haram to kill a human being to save one's own life, since it is forbidden when it would lead to the death of an innocent person. It is permitted by a sura in Quran 3:28, and it can lead to a situation called hudna. This practice, which is similar to ketman, was taken up by a religion that does not allow converts, which allows members of the Druze to be very secretive about their beliefs. For 10 points, name this Shi'ite practice of hiding or concealing one's faith during times of imminent danger.
A "reconciliatory" type of this practice is permitted, but not obligatory, when one wishes to "soften the hearts" of the other side.
taqiyya [or taghiyeh; prompt on hiding; or concealment; or equivalents]