The second sentence, the author seems to be trying to inform or warn readers about extreme climate changes and then increasing .
Well, rhetoric means to call to action, so if you do this in a business world them it can make you seem more domaniant and in charge.
Answer:
Ist is defined as involved in a particularly field or having a certain interest or belief.
Explanation:
Basically what it says, if you mean -ist as in with jobs or occupations, it's the field of what a person is skilled with or occupied with.
