" Basically, I might say: "I want to get rid of that tick that is been biting me all day." I wouldn't say: "I need to be free from that tick." And that's why I might use "rid of" with a chilly, in lieu of "free" (it does not matter https://freehomeinsulation.tech.blog/2025/07/20/solar-energy-grants-uk-government-support-for-greener-homes/