Gruhcho -

There are lots of examples if you want to look for them, or you can simply ask any practicing Muslims you know about their views of him. Do you know any?  But here's an article, but any good web search on Harper's treatment of Muslims during his decade in power would turn up lots of hits. 

http://www.theharperdecade.com/blog/2015/5/17/does-stephen-harper-care-about-muslims