Definition of "maintainer" [main•tain•er]

• Someone who keeps or upholds something. (noun)
• A person who does maintenance work. (noun)
• A device used to keep teeth in a given position. (noun)

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• "Now, looking at the IM services we support, many of them don't have a current "maintainer" who is ultimately responsible for the plugin."
• "It shows that Song's "maintainer" is Xianao's general manager Li Shilin."
• ""I want to state quite catagorically that the SAP played a totally destructive role as the so-called maintainer of law and order."