Joel
Yow'el (yo-ale')
Jehovah (is his) God; Joel, the name of twelve Israelites -- Joel.
the brother
'ach (awkh)
a brother (used in the widest sense of literal relationship and metaphorical affinity or resemblance (like 1) -- another, brother(-ly); kindred, like, other.
of Nathan
Nathan (naw-thawn')
given; Nathan, the name of five Israelites -- Nathan.
Mibhar
Mibchar (mib-khawr')
Mibchar, an Israelite -- Mibhar.
the son
ben (bane)
a son (as a builder of the family name), in the widest sense (of literal and figurative relationship, including grandson, subject, nation, quality or condition, etc.
of Haggeri
Hagriy (hag-ree')
a Hagrite or member of a certain Arabian clan -- Hagarene, Hagarite, Haggeri.