A locksmith
a locksmithA locksmith repairs locks.
locksmith
A person who repairs and installs locks is called a locksmith. They specialize in handling various locking systems, ensuring security for homes, businesses, and vehicles.
A locksmith repairs locks
a locksmith
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.
cobbler
mechanic
glazier
In my church, the head usher locks the doors after the service.
A locksmith. Home depot can make copies of keys.
locksmith