Know, because know is present tense as is the rest of the sentence.
Answer:
1) Know the beliefs and attitudes of your audience to better communicate
Explanation:
In rhetorics, the speaker's or writer's goal is to affect their audience and get them to agree with their point of view. That's why it's extremely important for them to know their audience, including their beliefs and attitudes. In this case, the speaker/writer will try to make an ethical appeal (ethos) on the audience, trying to appeal to their social, religious, philosophical, ideological, and other values. There are two more types of appeal: logos (appeal to logic) and pathos (appeal to emotions).
Answer:
Stewards were kitchen staff.
Explanation:
On ships, stewards were typically the staff to prepare and serve meals to passengers. You can infer this by the fact they are the only group remaining in the dining area and are implied to be ship staff by the statement "...they were gossiping about their passengers."