Let the brother; i.e. the believer, (for to such he writes), all believers, or saints, being brethren in Christ, 1Co_16:201Th_5:261Ti_6:2.
Of low degree; the Greek word signifies both lowliness of mind and lowness of condition, (as the Hebrew word doth, to which it answers), but here is to be understood of the latter, {as Luk_1:48} but especially of such a low estate as a man is brought into for Christ’s sake and the gospel’s.
Rojoice in that he is exalted; either exalted to be a brother, a member of Christ, a child of God, and heir of glory, which is the greatest preferment; or exalted to the honour of suffering for Christ: see Act_5:41Rom_5:3.