en_tn/1sa/02/09.md

guard the feet of his faithful people

This refers to God guiding those who love him by using one part of the body, the feet, to refer to the whole person. (See: rc://en/ta/man/translate/figs-synecdoche)

put to silence in darkness

This is another way of referring to death. (See: rc://en/ta/man/translate/figs-euphemism)