| n. | 1. | One who maintains. |
| Noun | 1. | maintainer - someone who upholds or maintains; "firm upholders of tradition"; "they are sustainers of the idea of democracy" |
| (software) | maintainer - The person responsible for coordinating changes to a package of software and arranging the distribution of updates. The term usually applies only to free software where the maintainer (often the author) is doing it as a free public service. |