This word is not acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. A member of a crew, as on a ship or spacecraft

n. A person in charge of locating the technical crew for a media production

n. A competitive rower

"A crewer roster was next, with particular attention given to which servitors were on duty at the moment and which cabins they were assigned to."