Job 19:16

I called my servant, and he gave me no answer; I intreated him with my mouth.

Cross-reference

Job 19:15 Parallel

In Job 19:15, household members count him a stranger; here he adds that his servant ignores his call, deepening the picture of total rejection.

Proverbs 29:19 explains that a servant won't respond to mere words, paralleling Job's servant ignoring his call, but as a general principle.