Sentence:  The second class of parishioners were less Philistine, certainly, but even more hopeless from the parish priest's point of view. In their luxurious houses they lived an easy, selfish, and sensual life, beyond his reach, surrounded by a wall of <WSD>indifferentism</WSD>, and contemptuous of all that was not tangible and material. 
Meaning of the word marked with <WSD> tags:  The doctrine that all religions are equally valid.