Yes. The author is giving the ocean a human trait. It crashes.
I'd say that the theme of this story encourages us that anyone can be important. Not just lawmakers or rich people or even extroverts, but anyone, whether you're a shy artist or an outgoing sporty-type. Some variation on that is probably what you're looking for, I shouldn't do your work for you! :)
1>>assert>><span>:<span>declare, maintain, contend, argue, state, claim, propound, proclaim, announce,pronounce, swear, insist, <span>avow
2>>campaign>></span></span></span><span>:<span>crusade, fight, battle, push, press, strive, struggle, <span>lobby
3>>injustice>></span></span></span>unfairness, unjustness, inequity, corruption
4>>legitimate>><span>:<span>legal, lawful, licit, legalized, authorized, permitted, permissible, allowable, allowed,admissible, sanctioned, approved, licensed, statutory, <span>constitutional</span></span></span>
