Here are some possible interpretations based on common word formations:
* Sawyer + -est: This could refer to someone who is the most skilled or experienced sawyer, a person who cuts wood with a saw.
* Saw + -iest: This could be an attempt to create a superlative adjective, meaning the most saw-like.
Without context, it's impossible to know the intended meaning. If you can provide more information about where you encountered the word, I might be able to give you a more accurate interpretation.