As a friend, or someone to talk to because he feels lonely.
Answer:
"In this case, as many as 20,000 skilled laborers worked to built the pyramids. Tens of thousands of workers required enormous resources…"
Explanation:
lacking consideration for others; concerned chiefly with one's own personal profit or pleasure.
Someone who is selfish cares only about themselves and doesn't consider others.
It is a composite number, because it can be divided by something other than 1 or itself.