# separates ... separated ... separation

Here "separation" means "dedication." AT: "dedicates ... dedicated ... dedication" (See: [[rc://en/ta/man/translate/figs-idiom]])

# of his separation

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

# reserved for Yahweh

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