What are the opposite words for opposer?

The word "opposer" means someone who goes against something or someone. The antonyms for the word "opposer" are those who are in favor of something or someone. Some of the common antonyms for "opposer" are supporter, advocate, ally, friend, and backer. A supporter is someone who helps or defends a particular cause or person. An advocate is someone who speaks in favor of someone or something. An ally is someone who supports a particular group or country. A friend is someone who is supportive and caring towards a person. Lastly, a backer is someone who helps financially or emotionally to support a particular project or initiative.

Antonym of the day

uncover, unwrap, stay.