(n.) One who passes his life on land; -- so called among seamen in contempt or ridicule.
Example Sentences:
(1) Buchanan has been the target of criticism because he is the man at the helm, but the reality is that those who have really directed the energy policies of this country – past, present and future – are the landlubbers in Whitehall.
(2) For landlubbers, there's beach-side bicycle hire and crazy golf.
Landsman
Definition:
(n.) One who lives on the land; -- opposed to seaman.