'Man' in context of below = human person

Lorry(truck) or tractor driver
Computer programmer
Forester
Gamekeeper
Stockman
Night-watchman
Motorcycle or van courier
Critic or reviewer
Rat or pest exterminator
Hermit (limited demand nowadays)
Prophet ( ditto )
Restorer of antiques

However, for good/bad we are social animals and I suggest a job with a little social interaction will be beneficial.