5:9 Whom resist stedfast in the faith, knowing that the same afflictions are accomplished in your brethren that are in the world.
5:10 But the God of all grace, who hath called us unto his eternal glory by Christ Jesus, after that ye have suffered a while, make you perfect, stablish, strengthen, settle you.
kosmos = mankind. (See Scofield "Matthew 4:8") .
5:12 By Silvanus, a faithful brother unto you, as I suppose, I have written briefly, exhorting, and testifying that this is the true grace of God wherein ye stand.
perfect See note, (See Scofield "Matthew 5:48") .