A person who instructs or teaches is called a teacher or instructor.
A person who instructs or teaches is commonly known as a teacher or an instructor.
nucleus
verb
cytoplasm
Teacher
True.
entertains and instructs
You betcha. "Revenge my most unnatural murder." is what he says.
device driver
A check
Limit Order is the form that instructs your broker to buy or sell when a stock reaches a specified price.