What part of speech is the word work in sentence Volunteers do important community?

The word "work" is missing from the sentence "Volunteers do important community."

To determine the part of speech, we need a complete sentence. Assuming you meant to say "Volunteers do important community work," then "work" would be a noun.

Here's why:

* Noun: A noun is a word that names a person, place, thing, or idea. In this sentence, "work" refers to the specific type of activity volunteers do, making it a noun.