One who stands for another
A person who holds a position auxiliary to another and assumes some of the superior's responsibilities
He'd recently employed a deputy who was doing a top notch job.
I eluded that stupid sheriff's deputy in the south.
He also murdered a deputy sheriff who stopped him because the law knew his license plate from a tip.
The duties were to be performed by the possessor or his deputy; and the king was entitled to demand the yearly homage of a present of poultry from the feudal holder.
16) or Abishai, as his deputy (1 Chron.