The protagonist of Things Fall Apart<span>, Okonkwo is also considered a tragic hero.
A tragic hero holds a position of power and prestige, chooses his course of action, possesses a tragic flaw, and gains awareness of circumstances that lead to his fall.
Okonkwo's tragic flaw is his fear of weakness and failure.</span>
The correct answer is
Protagonist
Sentences that delay the main point until the end of the sentence are called periodic.
The correct answer is that it is a dependent clause.
A dependent clause, as the name itself says, depends on a larger clause in order to make sense. As you can see in the example above, that clause is incomplete - it needs to be part of a larger, independent clause in order to get a proper meaning. The other options are all complete sentences, which is something the example is definitely not.