The term "freewheeler" is often used to describe someone who lives their life unconventionally or without regard for social norms. However, there are several other words that could be used to convey a similar message. A "maverick" is someone who is independent and unconventional. "Bohemian" refers to a person who values artistic and unconventional lifestyles, while a "rogue" is someone who behaves outside of acceptable standards. A "rebel" is also a synonym, suggesting someone who opposes authority or traditional norms. Finally, a "nonconformist" is a person who deviates from established norms or conventions. All of these words could be used in place of "freewheeler" to convey a similar message.