Pronouns are words that replace nouns. Examples include:
* Personal pronouns: I, me, you, he, she, it, we, they
* Possessive pronouns: mine, yours, his, hers, its, ours, theirs
* Reflexive pronouns: myself, yourself, himself, herself, itself, ourselves, yourselves, themselves
"Oppression" is a noun, a word that names a person, place, thing, or idea. In this case, it refers to the state of being unjustly treated or controlled.