Amateur and Nonprofessionals

Amateur noun - A person who regularly or occasionally engages in an activity as a pastime rather than as a profession.

Nonprofessionals and amateur are semantically related In some cases you can replace term "Nonprofessionals" with "Amateur", this nouns are similar.

Amateur and nonprofessionals are semantically related in layperson topic. You can use "Amateur" instead the word "Nonprofessionals" as a noun or an adjective, if it concerns topics such as not professional.