Trademarking a name and domain is taken

I'm in the process of obtaining a trademark. The domain named is taken already so I created one that was similar by just adding a – between two words. The thing is that the owner of the original domain I want isn't using the name itself, the domain redirects to his actual website. which never mentions my name. For example, my website's name is this-website.com, he owns thiswebsite.com but when you type it in it takes you to completelydifferent.com. Now I'm currently small so I'm not too…

Trademarking a name and domain is taken