Under the Mosaic Law, the principal priest who represented the people before God and supervised the other priests. Also called “the chief priest.” (2Ch 26:20; Ezr 7:5) He alone was allowed to enter the Most Holy, the innermost compartment of the tabernacle and later of the temple. He did so only on the annual Day of Atonement. The term “high priest” is also applied to Jesus Christ.​—Le 16:2, 17; 21:10; Mt 26:3; Heb 4:14.