Synonyms for the term "crab-eater" can include "crustacean consumer," "shellfish devourer," or "seafood craver." Other synonyms could be "lobster lover," "shrimp enthusiast," or "oyster addict." The term "crab-eater" is quite specific and does not encompass all the different types of seafood that a person may enjoy. Therefore, using more general terms like "seafood lover" or "shellfish connoisseur" may be more appropriate in certain situations. Overall, finding the right synonym for the word "crab-eater" depends on the context and the specific type of seafood a person prefers to consume.