A person who favors the abolition of any particular institution or practice.
A person who favored or advocated the abolition of slavery.
In favor of the abolition of slavery.
One who antagonizes or stirs.
An opponent or enemy.
A muscle that acts in opposition to another.
A chemical that binds to a receptor but does not produce a physiological response, blocking the action of agonist chemicals.
The main character or force opposing the protagonist in a literary work or drama.