A tradesperson who cleans soot and ash from flues using…
A tradesperson who cleans soot and ash from flues using long jointed rods and stiff brushes. In Georgian and Victorian Britain, masters sent small boys to climb inside narrow passages, often at great risk to their health. Reformers campaigned for decades until an 1875 act championed by Lord Shaftesbury finally ended the practice. Meeting one on a wedding day is considered lucky, and a cheerful example sings in Mary Poppins.
The answer in 12 letters
One definition, one title to guess: that's WordLocus. This one comes from a past challenge.