Synonyms: demonstrator, protester
Definition: someone who participates in a public display of group feeling
Similar words: reformer, reformist, meliorist, social reformer, crusader
Definition: a disputant who advocates reform
Synonyms: demonstrator, sales demonstrator
Definition: someone who demonstrates an article to a prospective buyer
Similar words: sales rep, sales representative, salesperson
Definition: a person employed to represent a business and to sell its merchandise (as to customers in a store or to customers who are visited)
Synonyms: demonstrator
Definition: a teacher or teacher's assistant who demonstrates the principles that are being taught
Similar words: teacher, instructor
Definition: a person whose occupation is teaching