I wonder what he can want.
Do you want anything with me?
What do you want me for [of me]?
How is that used?
How is that used?
What is the use of this?
How to use that?
ご用は?
What are your commands?
ご用は?
ご用は?
Please tell me how that is used?
What do you want with me?
What are these for?