So how much reputation you need before you can create tags?
How to discuss whether or not a
tag is valid?
Maybe I think it is but other members of this site will find it is not.
In this particular case:
I would like to create the tag
mercy because mercy is one of the qualities of the Lord - He is very merciful but there many ways He has shown that mercy and everything related to that could be tagged as such.
the question below is one example where I would use it: