Indeed there is no other adjective to use, rather than a mensch/tzaddik.

Tzvika Levy is a wonderful man and as religious people like to talk about, will certainly have his place in the world to come. Why do bad things happen to good people? As Tzvika is an excellent human being and certainly didn't deserve thisthis awful disease.

Wishing him comfort and ease in these extremely difficult circumstances. God bless him.