" To put it differently, I'd say: "I want to get rid of that tick that is been biting me all day long." I would not say: "I have to be free from that tick." And that's why I'd personally use "rid of" with a chilly, instead of "free" (no https://ecogrant.sport.blog/2024/09/13/4-steps-to-apply-for-government-grant-for-solar-panels/