Loon
Part of speech: noun
Definition: idler, lout (mainly Scottish; ) boy, lad (mainly Scottish; ) harlot; mistress simpleton; (also ) crazy or deranged person. (Irish) English Soldier of an expeditionary army in Ireland. Any of various birds, of the order Gaviiformes, of North America and Europe that dive for fish and have a short tail, webbed feet and a yodeling cry.
Diver
Part of speech: noun
Definition: someone who dives, especially as a sportsomeone who works underwater; a frogmanthe loon (bird)The New Zealand sand diverThe Long-finned sand diver
Example sentence: I hate divers, like Cristiano Ronaldo, who might be the greatest athlete in the sport, but he's a big baby. If things are going well he's great, but when things are going badly it's the ref's fault, it's his teammates' fault.