Answer: muralist

AnswerCrossword Clue
MURALISTDiego Rivera, e.g.
MURALISTRivera or Orozco
MURALISTOne providing the big picture?
MURALISTOne who works on walls
MURALISTOne working on the big picture?
muralistof, pertaining to, or characteristic of muralism
muralistartist who paints murals, esp. an artist associated with muralism
muralista painter of murals