This is the 4174th most frequent Russian word.
слуга
"Servant."
In this sentence, "слуга" is used to describe a servant in a royal or formal sense.
Он был верным слугой короля.
He was a loyal servant to the king.
Here, "слуга" is used metaphorically to describe someone in public service or politics.
Слуга народа должен слышать своих избирателей.
A servant of the people must listen to their voters.
In this context, "слуга" describes a person metaphorically subjected to serving technologies.