Definitions

1. noun

A person or thing that maintains something, especially a piece of equipment or a piece of software.

“The company’s software maintainer released an update to fix the bugs.”

2. noun

A person or organization that is responsible for the upkeep or repair of something.

“The city’s infrastructure maintainer is working to repair the damaged roads.”

3. noun

A person who maintains or cares for something, especially a pet.

“She is the maintainer of her family’s beloved dog.”