David, ruler of Israel is referred to as 'the Psalmist'. This psalm, like the majority of others is attributed to him. From the starting point in verse 1, he acknowledges God as his shepherd. The imagery on use here is drawn from the true setting in early middle-eastern practice where in fact the sheep' every need are fulfilled by the caring shepherd. The psalmist is the sheep and god, the father, his shepherd. That is a metaphor. God matches all his needs so that little or nothing he..