That would make you a widower. The only other possible thing it would be called is necrophilia.
A common law marriage
A person living on investments is a person of independent means or a person who is retired.
A person who studies living organisms is called a biologist.
A cartographer
singer, vocalist
A person living in a rural area is typically referred to as a villager or a rural resident.
A baker.
musician, athlete, actor
domicile
Mick
marine biologist... is an aquatics person! Ichthyologist
A Typist is a person that types. People that type for a living are also secretary.