emotionist
/ɛm.əʊˈʃən.ɪst/Definitions
1. noun
A person who emphasizes or believes that emotions are a primary motivator of human behavior.
“The psychologist was an emotionist who focused on the role of emotions in decision-making.”
2. noun
A person who believes in the importance of emotions in art, literature, or other creative fields.
“The emotionist writer explored themes of love and loss in her novels.”