A widow or widower
Cheater, Adulterer, MEANIE!
a widower
A Widower
cuckold, from cuckoo because the birds leave their eggs in other bird nests for the other birds to raise.
Brail is the answer for the poor deaf and blind man. These are raised bumps on paper that he can feel with his fingers. If you don't know anyone who knows brail then you can phone the Brail Society...