Sir kay was not easily fooled.
This is a figurative expression that means that sir kay was not one who could be fooled so easily. From the sentence before this expression, it is stated that sir kay was equal to the occasion based on the fact that lots of eyes rested on him. The expression suggests that he knows every trick and so he was not the kind of person who could be bought over easily.
Fire fighters - help fight fires and keep the environement safe
Police- Helps fight crime and protects the people
Doctors- Keeps people healthy and also saves people
Since this is during the period of the Soviet Union and communism, Kennedy is asking the people to come together and defend freedom.
My OUTSTANDING friend from school and I sat on a big rock.
As far as I know, this is how adjective phrases work. Please let me know if this was right for you.