Yes, grazier is a common noun, a word for any grazier.
A common noun can become a proper noun if it is used for the name of a specific person, place, thing, or a title, such as Grazier Photography, Inc. in Boxton MA, or the Grazier Cemetary in Tyrone PA.
Rebecca Grazier is 5' 10".
Colin Grazier died on 1942-10-30.
Margaret Hayes Grazier was born in 1916.
Margaret Hayes Grazier died in 1999.
Rebecca Grazier goes by Becca, and Becky.
Common noun
common
Pea is a common noun, and peas is the plural...still a common noun.
A common noun.
Most definitely a common noun.
Camel is a common noun.
Th word tail is a common noun because the first letter of a proper noun is capitalized.