Each person who attends The Walk to Emmaus has a sponsor. A sponsor is a person who has been through an Emmaus experience and is willing to share that experience with another new Emmaus participant. The sponsorship of a previous participant frees the current participant from any personal responsibilities that might distract him or her while on the experience. Sponsorship also undergirds each participant's 72-hour experience with prayer and other expressions of God's love.
According to the dictionary, a sponsor is one who presents a candidate and who takes and assumes responsibility for that individual.