en_tn_lite_do_not_use/job/03/18.md

the voice of the slave driver

Here "voice" is a metonym for the power that the slave drivers have over the slaves. Alternate translation: "They are no longer under the control of the slave driver" (See: rc://en/ta/man/jit/figs-metonymy)

the slave driver

This refers to slave drivers in general, not one particular slave driver. Alternate translation: "slave drivers" (See: rc://en/ta/man/jit/figs-genericnoun)

slave driver

Some English versions read, "oppressor."