Solution to 1: The Composer
The majority of the text hints at a composer. A Czech composer who wrote a piece called Humoresque is Antonin Dvorak. His distant relative is the inventor August Dvorak, who created the Dvorak keyboard layout. Using this keyboard layout and mapping from QWERTY to Dvorak, we get the following phrase:
ONE WHO RESCUES CATS FROM TREES
This clues the answer fireman.
FIREMAN