sealubber means someone familiar with the sea or seamanship; an experienced sailor. Lexicurio rates it Sui generis — a strength score of 100 out of 100.
noun
- Someone familiar with the sea or seamanship; an experienced sailor.“The punster is a low person, who refers to the awkwardness of the seal’s gait by speaking of his not having his seal-legs, although a mariner—or a sealubber, as he might express it.”