A locksmith repairs locks
locksmith
a locksmithA locksmith repairs locks.
Someone who makes and repairs locks is a locksmith; someone who makes hinges would be a blacksmith or forger. Sometimes one person will be both; today most hinges and locks are made in factories.
To find someone to do kitchen repairs I would call a local contractor.
A glazier.
If you mean 'What do you call someone who repairs books?' then I think the answer is a 'bookbinder'. Sources: 'Inkheart' by Cornelia Funke
A lock picker, or a picker.
dragon
a locksmith
locksmith
A locksmith
Someone who builds or repairs wagons/carts is a "Wainwright"