If you have a crush on he/she and you don't know about them then ask them about thereselfs and if your shy then ask your friend if he/she knows about that girl/boy and if they don't know ask his/hers sister/brothe cousin or nicaee or you can ask your teacher that's my answer from NIKOL.ZUZGOV
He probably had a crush on you. Or maybe the wind was blowing your way.
Ask them for it.
to find someones information
You Can't
the court
hello
online
well you find a crush by looking everywhere start at school, neighborhood etc. find people who is like you the most and people who you like there you go you have a crush
you ask your crush's best friend to ask your crush who your crush likes(it may not work but just try)
Just Pee.
You cannot.
stalker much?