Wash one another’s feet
14 If I then, your Lord and Teacher (Master), have washed your feet, you ought [it is your duty, you are under obligation, you owe it] to wash one another’s feet.
John 13:14 AMPC
Love covers
8 Above all things have intense and unfailing love for one another, for love covers a multitude of sins [forgives and disregards the offenses of others].
1 Peter 4:8 AMPC
Wash a brother’s feet.
Not his dirty linen, in public.