Someone who demonstrates an article to a prospective buyer
English: demonstrator, sales demonstrator
demonstratorEnglish
demonstrator, protester, sales demonstrator
Noun
A teacher or teacher's assistant who demonstrates the principles that are being taught
English: demonstrator
Bahasa: penunjuk
Someone who participates in a public display of group feeling
English: demonstrator, protester
Bahasa: pembangkang, penentang, pembantah