Any Latin aficionados able to help my verbiage?

[hoosierdoc]

I need to know how to phrase this: “Smith: giver of hope”

what i saw on google translate for “giver of hope” is “dator spei”

would it just be “Smith: Dator Spei” or is there more to it?

working on a Christmas gift for my son’s allergist... who walked in while I was typing “allergist”