Answer:
organist
Explanation:
Bach won the post of organist at the court of theDuke Wilhelm Ernst in Weimar.
Answer:
It could be helpful with creating advertisements for the causes.
A graphic designer creates visuals, logos, etc. that can be used for ads, marketing, communication, etc.
So it could be useful for visual communication.
Man/woman because a baby crawls on all fours then two legs and two legs but includes a cane and the cane does classify as a third leg in the riddle :)