You can tell him that you like him and then he would probably say yes
The only way to know for sure how your crush feels about you is to ask him. Communication is the key to any relationship.
you ask your crush's best friend to ask your crush who your crush likes(it may not work but just try)
Never ever get jealous. Try and talk to the person you like and ask if she or he likes you. Never ever get jealous. Try and talk to the person you like and ask if she or he likes you.
That would depend on a variety of circumstances such as are they single - if they are then you could talk with them and ask them if they would like to go out sometime. If they are with someone already its best not do anything.
ask them out...
be cool about. but first make sure that its true like ask ur friends and maybe ur crush
You ask her out
Ask him!
Homicide. Take out your sister and feed her to some carnivore native to your state/country and wait until they find the body then ask him out a week later.
If someone always wants to hang out at your house and never wants to go anywhere with you, they definitely have a crush on your sister. Also, if they ask a lot of questions about her, more so than about other things. If he stares at your sister or just ask him do you like my sister.
It could be because he might be shy to ask them. You can ask your crush directly if they like you or not.
Ask Him.