It means both "to treat someone like an authority" and "to treat someone like a human".
Everyone deserves to be treated with the latter sort.
The former sort must be earned.
[0] The context in which I read it was about marginalized people getting the short end of the stick on both counts—privileged people, especially those who are relatively ignorant or for whom that privilege is all they have going for them, have a tendency to express sentiments along the lines of "I won't respect them if they don't respect me!" But what they mean is "I won't treat them like a human if they don't treat me like an authority."