What are the key differences between a pastor, a priest, and a preacher in terms of their roles and responsibilities within a religious community?

A pastor is a leader of a Protestant Christian congregation, responsible for spiritual guidance and pastoral care. A priest is a clergy member in the Catholic or Orthodox Church, authorized to perform sacraments and lead worship. A preacher is someone who delivers sermons or teachings, often in a non-denominational or evangelical setting, focusing on spreading the message of the faith. Each has distinct roles and responsibilities within their respective religious communities.