Vincent's NT Word Studies
4. Who (oitinev). The double relative characterizes the Israelites with their call and privileges as such that for them he could even wish himself accursed.Israelites. See on Acts iii. 12.
Adoption. See on ch. viii. 15. Israel is always represented as the Lord's son or first-born among all peoples. Exod. iv. 22; Deut. xiv. 1; Hosea xi. 1.
The glory. The visible, luminous appearance of the divine presence was called by the Israelites the glory of Jahveh, or, in rabbinical phrase, the Shekinah. See Exod. xxiv. 16; xl. 34, 35; Ezek. i. 28; Heb. ix. 5. Not the final glory of God's kingdom; for this belongs to the Gentiles as well as to the Jews.
The covenants (ai diaqhkai). See on Matt. xxvi. 28. Those concluded with the patriarchs since Abraham. See Gal. iii. 16, 17; Eph. ii. 12. The plural never occurs in the Old Testament. See on Heb. ix. 16. The giving of the law (h nomoqesia). The act of giving, with a secondary reference to the substance of the law; legislation.
The service (h latreia). See on John xvi. 2; Luke i. 74; Apoc. xxii. 3; Philip. iii. 3. Here the sum total of the Levitical services instituted by the law.
The promises. The collective messianic promises on which the covenants were based. The word originally means announcement. See on Acts i. 4.
Robertson's NT Word Studies
9:4 {Who} (hoitines). The very ones who, inasmuch as they. {Israelites} (Israleitai). Covenant name of the chosen people. {Whose} (hwn). Predicate genitive of the relative, used also again with hoi pateres. For "the adoption" (h huiothesia) see #8:15. {The glory} (he doxa). The shekinah Glory of God (#3:23) and used of Jesus in #Jas 2:1. {The covenants} (hai diathkai). Plural because renewed often (#Ge 6:18; 9:9; 15:18; 17:2,7,9; Ex 2:24). {The giving of the law} (h nomothesia). Old word, here only in N.T., from nomos and tiqemi. {The service} (h latreia). The temple service (#Heb 9:1,6). {The fathers} (hoi pateres). The patriarchs (#Ac 3:13; 7:32).