# separation

This is an idiom for dedication. Alternate translation: "dedication" (See: [[rc://en/ta/man/translate/figs-idiom]])

# of his separation

The abstract noun "separation" can be expressed as a verb. Alternate translation: "that he has separated himself"

# reserved for Yahweh

This can be stated in active form. Alternate translation: "he has reserved himself for Yahweh" or "set apart for Yahweh" (See: [[rc://en/ta/man/translate/figs-activepassive]])