To advertise one’s religious beliefs; to convert (someone) to one’s own faith or religious movement or encourage them to do so.
To coerce into religious conversion.
To advertise a non-religious belief, way of living, cause, point of view, (scientific) hypothesis, social or other position, political party, or other organization; to convince someone to join such a cause or organization or support such a position; to recruit someone.
To speak on somebody's behalf.
To represent an intrinsic quality
Used other than figuratively or idiomatically: see speak, for.
To claim, reserve, or occupy.