When you know someone and like that person, he or she is considered a peer.

This isn't necessarily the case. We might dislike someone and know them and we would still have to consider them as a peer because our peers are usually people of our age group who are in the same social situation as are we. For example a 16 year old high school student would find his peers in the same age group of high school students. And similarly for other peer groups that can be found.

The answer would definitely false