What is the meaning of maroon?

noun

• A person who is stranded (as on an island. )
  • usage: "when the tide came in I was a maroon out there"
• A dark purplish-red to dark brownish-red color.
• An exploding firework used as a warning signal.

verb

• Leave stranded or isolated with little hope of rescue.
  • usage: "the travellers were marooned"
  • synonyms: strand
• Leave stranded on a desert island without resources.
  • usage: "The mutinous sailors were marooned on an island"

adjective

• Of dark brownish to purplish red.
  • synonyms: brownish-red