depends on the guy's qualities, Nabi? Nabif?
The good nickname for christian is chriss killr
Jaz might be a good nickname
"Faye" could be a nice nickname for a girl named Faith.
A good nickname for someone named Charity could be Char or Cherry.
Nikki is a good nickname for Nicole or even colie
Coco
estie
Cris
Cinds
hardy
Roxy
Ash