Help wanted

I am currently anchored in the Brisbane River near Mowbray Park Citi-Cat station. I need to repair the steering. This requires someone to hold bolts in the cockpit while I work in the engine room. I do not need, nor do I want to pay for a marine mechanic. The only requirement is to be able to hold a wrench. I am looking for a way to get in touch with someone who can help me out.

Thanks.