Heal Scrapper can be used as a secondary healer in raids. It has a large amount of burst heal and pure damage mitigation but sadly no offensive buffs.
This build can cover 
Fury or 
Protection for your subgroup. You also provide high amounts of 
Regeneration and can help maintain 
Might.
Aside from the direct healing, you also offer a lot of condition cleanses that will grant Regeneration due to .
This build will need to be used as a secondary healer to a 
Druid as you cannot maintain permanent Might. This build is not very beginner friendly due to the amount of kit swapping.
Scrapper Heal