from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A person who maintains railway lines.
- n. Someone whose job is to sand and grind small imperfections from metal and ceramic castings.
- n. Someone who fiddles or tinkers with things.
- n. A friend or mate
from The Century Dictionary and Cyclopedia
- n. One who fixes or prepares.
fettle + -er (Wiktionary)