Psalm 23 is the 23rd psalm of the Book of Psalms, beginning in English in the King James Version: "The Lord is my shepherd". In Latin, it is known by the incipit, "Dominus regit me". The Book of Psalms is part of the third section of the Hebrew Bible, and a book of the Christian Old Testament. In the slightly different numbering system used in the Greek Septuagint and Latin Vulgate translations of the Bible, this psalm is Psalm 22.
Illustration from The Sunday at Home, 1880
Psalm 23 is often referred to as the "Shepherd's Psalm"
Eastman Johnson's 1863 painting The Lord Is My Shepherd, depicting a devout man reading a Bible
A shepherd or sheepherder is a person who tends, herds, feeds, or guards flocks of sheep. Shepherd derives from Old English sceaphierde. Shepherding is one of the world's oldest occupations; it exists in many parts of the globe, and it is an important part of pastoralist animal husbandry.
Shepherds travelling in Chambal, India
Shepherd with grazing sheep in Făgăraș Mountains, Romania
Middle Age livestock shelter or paridera in a natural cave in Piedra River in the monk's old path from the monastery to the roe deer salt ponds, Aragon, Spain
Shepherd's crook