A complicit person is someone who is involved in something that they know is wrong or bad. They might be aware of the illegal activities of the organization, but they choose to stay involved anyway.
A nightmarish experience is one that is very unpleasant. It can be a scary experience, or it can be a confusing or frustrating one.
To peddle something is to sell it. When you peddle goods, you walk around and sell them to people.
To be fixated on something is to be focused on it to the point where you can't think about anything else. You might be fixated on a problem that you're trying to solve, or you might be fixated on a person or object that you find attractive.
The word brutish is usually used to describe people or animals who are not very polite or who are not very kind. It can also be used to describe the way that these people or animals act.
The word aspirational is often used to describe things or people that are very desirable or impressive. When people talk about aspirational goals, they are usually referring to goals that are a little bit out of reach, but still possible to achieve.
Deniers are people who refuse to believe that climate change is happening. They often argue that the evidence is not clear enough, or that the effects of climate change are not real.
To nudge someone is to encourage them indirectly. You might nudge someone in the direction that you want them to go, or you might nudge them when they are about to do something that you don't want them to do.
When you are driving, you will often see signs posted along the road that tell you where to go. These signs are called signposts.