glazier
A person who fixes the glass portion of windows is called a glazier.
What you call person who fixes light
I think the most proper name would be glazier, which is someone who installs and repairs glass.
Horologist
Horologist .
A mechanic.
Horologist .
A person who fixes compasses is typically known as a compass adjuster or compass technician.
Cobbler
Mechanic
A plumber
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