Final answer:
Rev. Elijah Lovejoy was an abolitionist minister and journalist who was assassinated by a mob in 1837 due to his antislavery stance.
Step-by-step explanation:
Rev. Elijah Lovejoy was an abolitionist killed in 1837. He was a significant figure during a turbulent period in American history where the issue of slavery was leading to increased tension and violence. As a minister and journalist, Lovejoy used his position to advocate for the abolition of slavery, contributing to the antislavery discourse of the time. His assassination by a mob in Illinois became a rallying point for the abolitionist movement and highlighted the dangers faced by those who publicly opposed slavery.