Existentialist

noun
  1. A person who adheres to the philosophy of existentialism, which emphasizes individual existence, freedom, and choice, asserting that humans define their own meaning in life and make rational decisions despite existing in an irrational universe. noun
    Jean-Paul Sartre is one of the most famous existentialists, known for his belief in the freedom of the individual.
    As an existentialist, she often pondered the meaning of life and her own role in the world.
  2. Relating to or characteristic of existentialism or existentialists, often involving themes of individual freedom, choice, and the search for meaning. adjective
    The novel had an existentialist theme, exploring the protagonist's struggle to find meaning in a chaotic world.
    His existentialist outlook on life led him to question traditional values and societal norms.