demonstrator
1.
(
noun
) someone who participates in a public display of group feeling
Synonyms:
protester
Related Words:
crusader
,
meliorist
,
picket
,
reformer
,
reformist
,
resister
2.
(
noun
) someone who demonstrates an article to a prospective buyer
Synonyms:
sales demonstrator
Related Words:
salesperson
3.
(
noun
) a teacher or teacher's assistant who demonstrates the principles that are being taught
Related Words:
instructor
,
teacher
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