Colossians 3:8, 12

But now rid yourselves [completely] of all these things: anger, rage, malice, slander, and obscene (abusive, filthy, vulgar) language from your mouth.

So, as God’s own chosen people, who are holy [set apart, sanctified for His purpose] and well-beloved [by God Himself], put on a heart of compassion, kindness, humility, gentleness, and patience [which has the power to endure whatever injustice or unpleasantness comes, with good temper]