en_tn/2sa/15/30.md

barefoot

wearing no shoes or sandals on his feet

his head covered

a sign of mourning and shame

Ahithophel

This is the name of a person. See how you translated this in 2 Samuel 15:11.

conspirators

people who join together against someone else

please turn Ahithophel's advice into foolishness

AT: "please do not let Ahithophel's plans to defeat me succeed"