When added to the word detect, the suffix which means "a person who" is -ive.
"A person who" means that you need to create a noun which refers to a person by adding that suffix. If you add -ive to detect, you will get the noun detective, which is obviously a person.
The word detectary doesn't exist, and the word detection doesn't refer to a person, but rather the act of detecting.
Personification, my hands hungry
Answer:
At the beginning of the novel, Darcy is arrogant,vain and prideful, but changes to become humble kind and accepting in the end,likewise, Elizabeth who is quick to form prejudices transforms to be more understanding. Mr. Darcy comes off as arrogant at the beginning of the story