en_tn/isa/11/02.md

The Spirit of Yahweh will rest upon him

Resting upon him represents being with him and helping him. The word "him" refers to the one who would become king. (See: rc://en/ta/man/jit/figs-metaphor)

the Spirit of wisdom ... the Spirit of instruction ... the Spirit of knowledge ... the fear of Yahweh

Here the word "Spirit" refers to an ability or quality that the Spirit of Yahweh would give him. Alternate translation: "and he will cause him to have wisdom and understanding, instruction and might, knowledge and the fear of Yahweh" (See: rc://en/ta/man/jit/figs-metonymy)