What is another word for lockkeeper?
Pronunciation: [lˈɒkkiːpə] (IPA) 
A lockkeeper is a person responsible for operating and maintaining a lock. However, there are various other synonyms for a lockkeeper, including lock operator, gatekeeper, canal tender, waterway supervisor, and dam keeper. In addition to their primary responsibility of regulating water flow, these professionals also assist boaters and ensure the safety of all users. Many lockkeepers have extensive knowledge of the waterways they oversee and provide valuable information to visitors. They play a vital role in the efficiency and safety of the water transportation system and are a valuable asset to any waterway. Regardless of the term used to describe them, their role remains the same: to keep the water flowing and the boats moving along the canal.
