" In Other words, I would say: "I need to get rid of that tick which is been biting me all day long." I would not say: "I need to be free from that tick." And that's why I would use "rid of" with a chilly, rather than "free" (despite https://ecograntsuk.blogspot.com/2024/08/how-can-pensioners-be-benefited-from.html