Here are some examples of how "volunteer" can be used in a sentence:
* She volunteered her time at the local soup kitchen.
* The organization relies heavily on volunteers.
* He was a volunteer firefighter for many years.
You can also use the word "volunteer" as a noun, adjective, or verb:
* Noun: The volunteer group helped to clean up the park.
* Adjective: We are looking for volunteer firefighters.
* Verb: She volunteered to help with the fundraising event.
Ultimately, the use of suffixes with "volunteer" is not very common. It's important to use the word correctly in context.