" Put simply, I would say: "I would like to get rid of that tick that is been biting me all day." I wouldn't say: "I have to be free from that tick." And that is why I'd use "rid of" with a chilly, as an alternative to "free" (it https://governmentboilerscheme.food.blog/2025/07/20/home-energy-scotland-grant-free-insulation-what-you-need-to-know/