Frozen gem, how to use on shared server?

Hi,

I have just manage to freeze a gem ar_mailer and it has been placed in
vendor/ar_mailer-1.1.0 on my server
however it does not seem to be getting included in my application on
start-up and any attempt to require it seems to be throwing me an error
message.

Anyone any idea where I am going wrong here?

thanks
tom