Identifying a Key Abolitionist

The abolitionist movement in the United States was a significant social and political movement aimed at ending slavery. Various individuals and groups worked tirelessly to advocate for the rights of enslaved African Americans.

One notable abolitionist, who was also known for his powerful speeches and writings, published the anti-slavery newspaper 'The North Star'. He played a crucial role in the movement and is remembered for his efforts to promote equality and justice.

Which abolitionist is best known for this publication and for being a prominent voice against slavery?