proftpd permissions and restrictions help

[CHris Rich]

I am setting up an ftp server for a few friends using pro ftp. I need
to implement restrictions based on usernames.

Here is what I want: an account for being able to only browse the ftp
site, an account for uploading, and an account for downloading based
on the user.

After googling and searching I haven't quite found exactly what i'm looking for

any help is appreciated 

-- 
Regards