You can use affiliate marketing for this. ClickBank.com has lots of spirituality related products that will be great for advertising on this kind of niche. Generate link for those products from ClickBank, add banners or in-text links for these product and bring a lot of traffic. You can earn about 75% of the sale of these products from your affiliate links. Second option is infolinks.com. They pay very less but their presentation of ads is very great as compared to Google Adwords.

If you want a comolete tutorial on how to earn passive income from your site then call me. Free call link: clarity.fm/aishwaryashiva/early638