The word "missionary" refers to a person who is sent on a mission, often for the purpose of promoting a particular cause or belief. Historically, missionaries were often associated with religious organizations and traveled to new places to spread their faith, provide education, or help with humanitarian efforts. Today, the term can also apply to individuals working in various contexts, such as health care, education, or social justice, aiming to make a positive impact.
The word "missionary" comes from the Latin word "missionarius," which means "one who is sent." It is derived from "missio," meaning "a sending away" or "to send." The term gained prominence in the context of religious missions in the 16th century.