"Proslavery" is a word in ENGLISH

proslavery ENGLISH
Definition:

Favoring slavery.

proslavery ENGLISH
Definition:

Advocacy of slavery.

Few words of positivity

Every word the right one and exactly where it should be. That's basically the highest compliment I can give.

Gabrielle Zevin, The Storied Life of A.J. Fikry

WORD SUGGESTIONS
Laugh your heart out.

The Counselor was talking to the campers about safety. She said 'Don't climb any trees. If you fall down and break a leg, don't come running to me!'

abolitionist ENGLISH

A person who favors the abolition of any institution, especially negro slavery.

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