" Put simply, I would say: "I would like to get rid of that tick that's 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, rather than "free" (it doesn't matter no https://energysavinggrant.blogspot.com/2024/08/what-are-steps-to-apply-for-free.html