Adjective:

சகோதரனுக்குப் பொருத்தமான,

unbrotherly's Usage Examples:

'50) is on a line with the repeated denunciation of their "unbrotherly" conduct in later writings.

stories of Jacob and his " brother " Esau), elsewhere Edom is frequently denounced for unbrotherly conduct in connexion with some disaster which befell Jerusalem, apparently long after 586 B.

As Harnack says, "There is no trace of any tendency beyond the immediate purpose of maintaining the true Christian life in the church and warning it against covetousness and against an unbrotherly spirit.