maintainer

noun

1. Someone who keeps or upholds something; a steward.

   “He become the maintainer of the software project.”

   “Blessed are the maynteyners of peace: for they shalbe called the chyldren of God.”

2. A person who does maintenance work.

   ““In somm trouble. Got off trail to go to br. Now lost. Can u call AMC to c if a trail maintainer can help me. Somewhere north of woods road. Xox,” she wrote.”

   ““To stay open, the senior enlisted leader of U.S. Forces-Afghanistan Forward said he needed people to cover security,” Duncan wrote. “Personnel Recovery Task Force (PRTF) Pilots, maintainers and support personnel donned their vests, helmets and M-4 rifles and manned defensive fighting positions.””

   “RAIB looked at why the washers were missing. This took it into the relationship between the wagon's owner and maintainers.”

   “Muehlendorf told CNN that O’Hara was a crew chief by trade, explaining that his “military occupational specialty was a 15T and he was originally trained to be a maintainer of Black Hawk helicopters.””

3. A device used to keep teeth in a given position.