How do you deal with difficult people at work as a Stoic?

Marcus starts many of his mornings, as recorded in Meditations, by rehearsing the people he is about to meet: "the busy-body, the ungrateful, arrogant, deceitful, envious, unsocial" (Meditations 2.1). This is not resignation. He is preparing his judgment in advance, so that when the difficult colleague shows up, he is not caught off guard and does not mistake their behavior for something aimed at him personally.

The common misreading is that Stoicism tells you to tolerate bad behavior, keep your head down, and let it go for the sake of inner peace. That is not the argument. The Stoic claim is sharper: the difficult person cannot actually harm the part of you that matters, so there is nothing to brace against in the first place. Marcus gives the reason. People act badly "by reason of their ignorance of what is good and evil" (Meditations 2.1). They think their behavior serves some good, even when it doesn't. Epictetus makes the same point from the other side: when someone harms you or speaks badly of you, "he acts or speaks from a supposition of its being his duty," following what seems right to him, not to you (Handbook 42). If he is following a false impression, he is the one damaged by it, "since he too is the person deceived" (Handbook 42). Your reputation, in the technical Stoic sense, is not yours to lose to another person's bad judgment. It was never up to you in the first place (Handbook 1).

This changes what you are protecting at work. If you think a rude coworker or a scheming manager can genuinely injure you, you will spend your energy managing your anxiety about them, rehearsing arguments, losing sleep. Marcus argues this is confused. He describes people who "make themselves obstacles to my proper acts" as becoming, in that respect, indifferent to him, no different from bad weather (Meditations 5.20). They can obstruct a specific action. They cannot touch his disposition, "which have the power of acting conditionally and changing." He goes further: the mind converts a hindrance to action into an aid, so that "which is an obstacle on the road helps us on this road" (Meditations 5.20). A colleague who blocks your plan gives you a new problem to solve well, which is itself an exercise in the excellence you were trying to build anyway.

None of this means passivity. Marcus is explicit that he still has "proper acts," things he is trying to do, and difficult people can genuinely impede those. The Stoic response is not to stop pursuing your work but to hold two things apart: the external outcome, which is not fully up to you, and your own judgment, effort, and reaction, which are (Handbook 1). You still act, propose, correct, and even push back. You just do it without the added and unnecessary conviction that their opinion of you, or their obstruction of your plan, is an injury to your character.

There is also a social dimension that is easy to miss. Marcus reminds himself that people are "made for co-operation, like feet, like hands, like eyelids" (Meditations 2.1), and that turning away from a difficult colleague in anger works against that basic design. He is not asking you to like them. He is asking you to notice that your irritation and withdrawal are themselves an "acting against one another," which he calls contrary to nature (Meditations 2.1).

A workable version of this for an actual job: before a meeting with someone difficult, name to yourself what is up to you (your preparation, your tone, your judgment about what matters) and what is not (their mood, their agenda, whether they concede the point). Then go in without needing the second column to go your way.